Home / 1,199,583.28-1,655,424.78-655,721.20

Finding the Fourth Proportional to 1,199,583.28, 1,655,424.78 and 655,721.20

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Solution

The fourth proportional to 1,199,583.28, 1,655,424.78 and 655,721.20 is: 904,895.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,199,583.28 : 1,655,424.78 = 655,721.20 : x
  2. Step 2: Convert to fraction form
    1,199,583.28/1,655,424.78 = 655,721.20/x
  3. Step 3: Cross multiply
    1,199,583.28x = 1,655,424.78 × 655,721.20
  4. Step 4: Simplify right side
    1,199,583.28x = 1,085,497,123,251.34
  5. Step 5: Solve for x
    x = 1,085,497,123,251.34/1,199,583.28
  6. Step 6: Final answer
    x = 904,895.18

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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.