Home / 1,027,694.90-1,540,841.70-521,279.37

Finding the Fourth Proportional to 1,027,694.90, 1,540,841.70 and 521,279.37

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Solution

The fourth proportional to 1,027,694.90, 1,540,841.70 and 521,279.37 is: 781,563.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,027,694.90 : 1,540,841.70 = 521,279.37 : x
  2. Step 2: Convert to fraction form
    1,027,694.90/1,540,841.70 = 521,279.37/x
  3. Step 3: Cross multiply
    1,027,694.90x = 1,540,841.70 × 521,279.37
  4. Step 4: Simplify right side
    1,027,694.90x = 803,208,988,234.55
  5. Step 5: Solve for x
    x = 803,208,988,234.55/1,027,694.90
  6. Step 6: Final answer
    x = 781,563.66

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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.