Home / 1,188,805.29-1,779,153.76-756,304.17

Finding the Fourth Proportional to 1,188,805.29, 1,779,153.76 and 756,304.17

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Solution

The fourth proportional to 1,188,805.29, 1,779,153.76 and 756,304.17 is: 1,131,877.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,188,805.29 : 1,779,153.76 = 756,304.17 : x
  2. Step 2: Convert to fraction form
    1,188,805.29/1,779,153.76 = 756,304.17/x
  3. Step 3: Cross multiply
    1,188,805.29x = 1,779,153.76 × 756,304.17
  4. Step 4: Simplify right side
    1,188,805.29x = 1,345,581,407,759.18
  5. Step 5: Solve for x
    x = 1,345,581,407,759.18/1,188,805.29
  6. Step 6: Final answer
    x = 1,131,877.04

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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.