Home / 1,137,864.51-1,707,046.20-427,892.31

Finding the Fourth Proportional to 1,137,864.51, 1,707,046.20 and 427,892.31

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Solution

The fourth proportional to 1,137,864.51, 1,707,046.20 and 427,892.31 is: 641,932.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,137,864.51 : 1,707,046.20 = 427,892.31 : x
  2. Step 2: Convert to fraction form
    1,137,864.51/1,707,046.20 = 427,892.31/x
  3. Step 3: Cross multiply
    1,137,864.51x = 1,707,046.20 × 427,892.31
  4. Step 4: Simplify right side
    1,137,864.51x = 730,431,941,794.72
  5. Step 5: Solve for x
    x = 730,431,941,794.72/1,137,864.51
  6. Step 6: Final answer
    x = 641,932.26

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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.