Home / 1,101,972.66-1,520,617.23-618,426.96

Finding the Fourth Proportional to 1,101,972.66, 1,520,617.23 and 618,426.96

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Solution

The fourth proportional to 1,101,972.66, 1,520,617.23 and 618,426.96 is: 853,370.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,101,972.66 : 1,520,617.23 = 618,426.96 : x
  2. Step 2: Convert to fraction form
    1,101,972.66/1,520,617.23 = 618,426.96/x
  3. Step 3: Cross multiply
    1,101,972.66x = 1,520,617.23 × 618,426.96
  4. Step 4: Simplify right side
    1,101,972.66x = 940,390,690,872.52
  5. Step 5: Solve for x
    x = 940,390,690,872.52/1,101,972.66
  6. Step 6: Final answer
    x = 853,370.26

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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.