Home / 1,225,086-1,690,618.68-688,542

Finding the Fourth Proportional to 1,225,086, 1,690,618.68 and 688,542

Calculator

Solution

The fourth proportional to 1,225,086, 1,690,618.68 and 688,542 is: 950,187.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,225,086 : 1,690,618.68 = 688,542 : x
  2. Step 2: Convert to fraction form
    1,225,086/1,690,618.68 = 688,542/x
  3. Step 3: Cross multiply
    1,225,086x = 1,690,618.68 × 688,542
  4. Step 4: Simplify right side
    1,225,086x = 1,164,061,967,164.56
  5. Step 5: Solve for x
    x = 1,164,061,967,164.56/1,225,086
  6. Step 6: Final answer
    x = 950,187.96

Related Problems

Find fourth proportional to 612,543, 845,309.34 and 344,271
Half scale
Find fourth proportional to 2,450,172, 3,381,237.36 and 1,377,084
Double scale
Find fourth proportional to 1,225,087, 1,690,620.06 and 688,543
Similar ratio
Find fourth proportional to 1,837,629, 2,535,928.02 and 1,032,813
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.