Home / 1,031,841.40-1,546,449.90-918,992.20

Finding the Fourth Proportional to 1,031,841.40, 1,546,449.90 and 918,992.20

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Solution

The fourth proportional to 1,031,841.40, 1,546,449.90 and 918,992.20 is: 1,377,319.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,031,841.40 : 1,546,449.90 = 918,992.20 : x
  2. Step 2: Convert to fraction form
    1,031,841.40/1,546,449.90 = 918,992.20/x
  3. Step 3: Cross multiply
    1,031,841.40x = 1,546,449.90 × 918,992.20
  4. Step 4: Simplify right side
    1,031,841.40x = 1,421,175,395,790.78
  5. Step 5: Solve for x
    x = 1,421,175,395,790.78/1,031,841.40
  6. Step 6: Final answer
    x = 1,377,319.61

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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.