Home / 1,115,464-1,672,897.10-484,227.76

Finding the Fourth Proportional to 1,115,464, 1,672,897.10 and 484,227.76

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Solution

The fourth proportional to 1,115,464, 1,672,897.10 and 484,227.76 is: 726,211.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,115,464 : 1,672,897.10 = 484,227.76 : x
  2. Step 2: Convert to fraction form
    1,115,464/1,672,897.10 = 484,227.76/x
  3. Step 3: Cross multiply
    1,115,464x = 1,672,897.10 × 484,227.76
  4. Step 4: Simplify right side
    1,115,464x = 810,063,215,443.50
  5. Step 5: Solve for x
    x = 810,063,215,443.50/1,115,464
  6. Step 6: Final answer
    x = 726,211.89

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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.