Home / 1,232,780.20-1,849,494.30-391,330.60

Finding the Fourth Proportional to 1,232,780.20, 1,849,494.30 and 391,330.60

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Solution

The fourth proportional to 1,232,780.20, 1,849,494.30 and 391,330.60 is: 587,098.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,232,780.20 : 1,849,494.30 = 391,330.60 : x
  2. Step 2: Convert to fraction form
    1,232,780.20/1,849,494.30 = 391,330.60/x
  3. Step 3: Cross multiply
    1,232,780.20x = 1,849,494.30 × 391,330.60
  4. Step 4: Simplify right side
    1,232,780.20x = 723,763,714,115.58
  5. Step 5: Solve for x
    x = 723,763,714,115.58/1,232,780.20
  6. Step 6: Final answer
    x = 587,098.75

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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.