Home / 1,591,155.40-2,382,934.14-915,817.18

Finding the Fourth Proportional to 1,591,155.40, 2,382,934.14 and 915,817.18

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Solution

The fourth proportional to 1,591,155.40, 2,382,934.14 and 915,817.18 is: 1,371,539.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,591,155.40 : 2,382,934.14 = 915,817.18 : x
  2. Step 2: Convert to fraction form
    1,591,155.40/2,382,934.14 = 915,817.18/x
  3. Step 3: Cross multiply
    1,591,155.40x = 2,382,934.14 × 915,817.18
  4. Step 4: Simplify right side
    1,591,155.40x = 2,182,332,024,220.53
  5. Step 5: Solve for x
    x = 2,182,332,024,220.53/1,591,155.40
  6. Step 6: Final answer
    x = 1,371,539.21

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.