Home / 932,555.40-1,398,833.10-917,003.40

Finding the Fourth Proportional to 932,555.40, 1,398,833.10 and 917,003.40

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Solution

The fourth proportional to 932,555.40, 1,398,833.10 and 917,003.40 is: 1,375,505.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    932,555.40 : 1,398,833.10 = 917,003.40 : x
  2. Step 2: Convert to fraction form
    932,555.40/1,398,833.10 = 917,003.40/x
  3. Step 3: Cross multiply
    932,555.40x = 1,398,833.10 × 917,003.40
  4. Step 4: Simplify right side
    932,555.40x = 1,282,734,708,732.54
  5. Step 5: Solve for x
    x = 1,282,734,708,732.54/932,555.40
  6. Step 6: Final answer
    x = 1,375,505.10

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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.