Home / 1,220,132.40-1,683,883.47-676,438.71

Finding the Fourth Proportional to 1,220,132.40, 1,683,883.47 and 676,438.71

Calculator

Solution

The fourth proportional to 1,220,132.40, 1,683,883.47 and 676,438.71 is: 933,541.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,220,132.40 : 1,683,883.47 = 676,438.71 : x
  2. Step 2: Convert to fraction form
    1,220,132.40/1,683,883.47 = 676,438.71/x
  3. Step 3: Cross multiply
    1,220,132.40x = 1,683,883.47 × 676,438.71
  4. Step 4: Simplify right side
    1,220,132.40x = 1,139,043,962,237.12
  5. Step 5: Solve for x
    x = 1,139,043,962,237.12/1,220,132.40
  6. Step 6: Final answer
    x = 933,541.28

Related Problems

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.