Home / 1,016,373.32-1,402,585.44-557,478.38

Finding the Fourth Proportional to 1,016,373.32, 1,402,585.44 and 557,478.38

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Solution

The fourth proportional to 1,016,373.32, 1,402,585.44 and 557,478.38 is: 769,314.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,016,373.32 : 1,402,585.44 = 557,478.38 : x
  2. Step 2: Convert to fraction form
    1,016,373.32/1,402,585.44 = 557,478.38/x
  3. Step 3: Cross multiply
    1,016,373.32x = 1,402,585.44 × 557,478.38
  4. Step 4: Simplify right side
    1,016,373.32x = 781,911,058,902.79
  5. Step 5: Solve for x
    x = 781,911,058,902.79/1,016,373.32
  6. Step 6: Final answer
    x = 769,314.82

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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.