Home / 1,000,631.43-1,380,845.88-559,109.61

Finding the Fourth Proportional to 1,000,631.43, 1,380,845.88 and 559,109.61

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Solution

The fourth proportional to 1,000,631.43, 1,380,845.88 and 559,109.61 is: 771,557.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,000,631.43 : 1,380,845.88 = 559,109.61 : x
  2. Step 2: Convert to fraction form
    1,000,631.43/1,380,845.88 = 559,109.61/x
  3. Step 3: Cross multiply
    1,000,631.43x = 1,380,845.88 × 559,109.61
  4. Step 4: Simplify right side
    1,000,631.43x = 772,044,201,436.91
  5. Step 5: Solve for x
    x = 772,044,201,436.91/1,000,631.43
  6. Step 6: Final answer
    x = 771,557.02

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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.