Home / 1,138,715.38-1,571,583.46-655,270.66

Finding the Fourth Proportional to 1,138,715.38, 1,571,583.46 and 655,270.66

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Solution

The fourth proportional to 1,138,715.38, 1,571,583.46 and 655,270.66 is: 904,363.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,138,715.38 : 1,571,583.46 = 655,270.66 : x
  2. Step 2: Convert to fraction form
    1,138,715.38/1,571,583.46 = 655,270.66/x
  3. Step 3: Cross multiply
    1,138,715.38x = 1,571,583.46 × 655,270.66
  4. Step 4: Simplify right side
    1,138,715.38x = 1,029,812,531,079.28
  5. Step 5: Solve for x
    x = 1,029,812,531,079.28/1,138,715.38
  6. Step 6: Final answer
    x = 904,363.42

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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.