Home / 1,139,355.40-1,572,307.68-655,744

Finding the Fourth Proportional to 1,139,355.40, 1,572,307.68 and 655,744

Calculator

Solution

The fourth proportional to 1,139,355.40, 1,572,307.68 and 655,744 is: 904,925.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,139,355.40 : 1,572,307.68 = 655,744 : x
  2. Step 2: Convert to fraction form
    1,139,355.40/1,572,307.68 = 655,744/x
  3. Step 3: Cross multiply
    1,139,355.40x = 1,572,307.68 × 655,744
  4. Step 4: Simplify right side
    1,139,355.40x = 1,031,031,327,313.92
  5. Step 5: Solve for x
    x = 1,031,031,327,313.92/1,139,355.40
  6. Step 6: Final answer
    x = 904,925.12

Related Problems

Find fourth proportional to 569,677.70, 786,153.84 and 327,872
Half scale
Find fourth proportional to 2,278,710.80, 3,144,615.36 and 1,311,488
Double scale
Find fourth proportional to 1,139,356.40, 1,572,309.06 and 655,745
Similar ratio
Find fourth proportional to 1,709,033.10, 2,358,461.52 and 983,616
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.