Home / 1,228,279.16-1,841,021.10-747,446.48

Finding the Fourth Proportional to 1,228,279.16, 1,841,021.10 and 747,446.48

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Solution

The fourth proportional to 1,228,279.16, 1,841,021.10 and 747,446.48 is: 1,120,319.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,228,279.16 : 1,841,021.10 = 747,446.48 : x
  2. Step 2: Convert to fraction form
    1,228,279.16/1,841,021.10 = 747,446.48/x
  3. Step 3: Cross multiply
    1,228,279.16x = 1,841,021.10 × 747,446.48
  4. Step 4: Simplify right side
    1,228,279.16x = 1,376,064,740,800.73
  5. Step 5: Solve for x
    x = 1,376,064,740,800.73/1,228,279.16
  6. Step 6: Final answer
    x = 1,120,319.21

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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.