Home / 1,016,170.66-1,402,317.50-557,288.47

Finding the Fourth Proportional to 1,016,170.66, 1,402,317.50 and 557,288.47

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Solution

The fourth proportional to 1,016,170.66, 1,402,317.50 and 557,288.47 is: 769,059.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,016,170.66 : 1,402,317.50 = 557,288.47 : x
  2. Step 2: Convert to fraction form
    1,016,170.66/1,402,317.50 = 557,288.47/x
  3. Step 3: Cross multiply
    1,016,170.66x = 1,402,317.50 × 557,288.47
  4. Step 4: Simplify right side
    1,016,170.66x = 781,495,374,029.23
  5. Step 5: Solve for x
    x = 781,495,374,029.23/1,016,170.66
  6. Step 6: Final answer
    x = 769,059.18

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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.