Home / 1,328,562.40-1,992,843.60-381,848.80

Finding the Fourth Proportional to 1,328,562.40, 1,992,843.60 and 381,848.80

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Solution

The fourth proportional to 1,328,562.40, 1,992,843.60 and 381,848.80 is: 572,773.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,328,562.40 : 1,992,843.60 = 381,848.80 : x
  2. Step 2: Convert to fraction form
    1,328,562.40/1,992,843.60 = 381,848.80/x
  3. Step 3: Cross multiply
    1,328,562.40x = 1,992,843.60 × 381,848.80
  4. Step 4: Simplify right side
    1,328,562.40x = 760,964,937,247.68
  5. Step 5: Solve for x
    x = 760,964,937,247.68/1,328,562.40
  6. Step 6: Final answer
    x = 572,773.20

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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.