Home / 1,251,537.75-1,876,685.54-398,498.27

Finding the Fourth Proportional to 1,251,537.75, 1,876,685.54 and 398,498.27

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Solution

The fourth proportional to 1,251,537.75, 1,876,685.54 and 398,498.27 is: 597,549.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,251,537.75 : 1,876,685.54 = 398,498.27 : x
  2. Step 2: Convert to fraction form
    1,251,537.75/1,876,685.54 = 398,498.27/x
  3. Step 3: Cross multiply
    1,251,537.75x = 1,876,685.54 × 398,498.27
  4. Step 4: Simplify right side
    1,251,537.75x = 747,855,929,648.10
  5. Step 5: Solve for x
    x = 747,855,929,648.10/1,251,537.75
  6. Step 6: Final answer
    x = 597,549.64

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.