Home / 1,361,280.60-2,041,920.90-1,299,279.15

Finding the Fourth Proportional to 1,361,280.60, 2,041,920.90 and 1,299,279.15

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Solution

The fourth proportional to 1,361,280.60, 2,041,920.90 and 1,299,279.15 is: 1,948,918.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,361,280.60 : 2,041,920.90 = 1,299,279.15 : x
  2. Step 2: Convert to fraction form
    1,361,280.60/2,041,920.90 = 1,299,279.15/x
  3. Step 3: Cross multiply
    1,361,280.60x = 2,041,920.90 × 1,299,279.15
  4. Step 4: Simplify right side
    1,361,280.60x = 2,653,025,251,319.24
  5. Step 5: Solve for x
    x = 2,653,025,251,319.24/1,361,280.60
  6. Step 6: Final answer
    x = 1,948,918.73

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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.