Home / 1,299,101.60-1,948,652.40-400,463.30

Finding the Fourth Proportional to 1,299,101.60, 1,948,652.40 and 400,463.30

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Solution

The fourth proportional to 1,299,101.60, 1,948,652.40 and 400,463.30 is: 600,694.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,299,101.60 : 1,948,652.40 = 400,463.30 : x
  2. Step 2: Convert to fraction form
    1,299,101.60/1,948,652.40 = 400,463.30/x
  3. Step 3: Cross multiply
    1,299,101.60x = 1,948,652.40 × 400,463.30
  4. Step 4: Simplify right side
    1,299,101.60x = 780,363,770,656.92
  5. Step 5: Solve for x
    x = 780,363,770,656.92/1,299,101.60
  6. Step 6: Final answer
    x = 600,694.95

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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.