Home / 1,331,844.60-1,997,766.90-385,246.20

Finding the Fourth Proportional to 1,331,844.60, 1,997,766.90 and 385,246.20

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Solution

The fourth proportional to 1,331,844.60, 1,997,766.90 and 385,246.20 is: 577,869.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,331,844.60 : 1,997,766.90 = 385,246.20 : x
  2. Step 2: Convert to fraction form
    1,331,844.60/1,997,766.90 = 385,246.20/x
  3. Step 3: Cross multiply
    1,331,844.60x = 1,997,766.90 × 385,246.20
  4. Step 4: Simplify right side
    1,331,844.60x = 769,632,106,710.78
  5. Step 5: Solve for x
    x = 769,632,106,710.78/1,331,844.60
  6. Step 6: Final answer
    x = 577,869.30

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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.