Home / 1,022,680.92-1,411,290.08-557,534.72

Finding the Fourth Proportional to 1,022,680.92, 1,411,290.08 and 557,534.72

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Solution

The fourth proportional to 1,022,680.92, 1,411,290.08 and 557,534.72 is: 769,392.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,022,680.92 : 1,411,290.08 = 557,534.72 : x
  2. Step 2: Convert to fraction form
    1,022,680.92/1,411,290.08 = 557,534.72/x
  3. Step 3: Cross multiply
    1,022,680.92x = 1,411,290.08 × 557,534.72
  4. Step 4: Simplify right side
    1,022,680.92x = 786,843,221,589.76
  5. Step 5: Solve for x
    x = 786,843,221,589.76/1,022,680.92
  6. Step 6: Final answer
    x = 769,392.69

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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.