Home / 1,012,620.30-1,518,930.45-996,873.90

Finding the Fourth Proportional to 1,012,620.30, 1,518,930.45 and 996,873.90

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Solution

The fourth proportional to 1,012,620.30, 1,518,930.45 and 996,873.90 is: 1,495,310.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,012,620.30 : 1,518,930.45 = 996,873.90 : x
  2. Step 2: Convert to fraction form
    1,012,620.30/1,518,930.45 = 996,873.90/x
  3. Step 3: Cross multiply
    1,012,620.30x = 1,518,930.45 × 996,873.90
  4. Step 4: Simplify right side
    1,012,620.30x = 1,514,182,121,520.26
  5. Step 5: Solve for x
    x = 1,514,182,121,520.26/1,012,620.30
  6. Step 6: Final answer
    x = 1,495,310.85

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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.