Home / 1,016,340.18-1,402,539.90-557,445.36

Finding the Fourth Proportional to 1,016,340.18, 1,402,539.90 and 557,445.36

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Solution

The fourth proportional to 1,016,340.18, 1,402,539.90 and 557,445.36 is: 769,269.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,016,340.18 : 1,402,539.90 = 557,445.36 : x
  2. Step 2: Convert to fraction form
    1,016,340.18/1,402,539.90 = 557,445.36/x
  3. Step 3: Cross multiply
    1,016,340.18x = 1,402,539.90 × 557,445.36
  4. Step 4: Simplify right side
    1,016,340.18x = 781,839,359,469.86
  5. Step 5: Solve for x
    x = 781,839,359,469.86/1,016,340.18
  6. Step 6: Final answer
    x = 769,269.36

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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.