Home / 987,341.60-1,481,012.40-827,909.30

Finding the Fourth Proportional to 987,341.60, 1,481,012.40 and 827,909.30

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Solution

The fourth proportional to 987,341.60, 1,481,012.40 and 827,909.30 is: 1,241,863.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    987,341.60 : 1,481,012.40 = 827,909.30 : x
  2. Step 2: Convert to fraction form
    987,341.60/1,481,012.40 = 827,909.30/x
  3. Step 3: Cross multiply
    987,341.60x = 1,481,012.40 × 827,909.30
  4. Step 4: Simplify right side
    987,341.60x = 1,226,143,939,375.32
  5. Step 5: Solve for x
    x = 1,226,143,939,375.32/987,341.60
  6. Step 6: Final answer
    x = 1,241,863.95

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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.