Home / 1,029,326.40-1,543,989.60-281,372.40

Finding the Fourth Proportional to 1,029,326.40, 1,543,989.60 and 281,372.40

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Solution

The fourth proportional to 1,029,326.40, 1,543,989.60 and 281,372.40 is: 422,058.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,029,326.40 : 1,543,989.60 = 281,372.40 : x
  2. Step 2: Convert to fraction form
    1,029,326.40/1,543,989.60 = 281,372.40/x
  3. Step 3: Cross multiply
    1,029,326.40x = 1,543,989.60 × 281,372.40
  4. Step 4: Simplify right side
    1,029,326.40x = 434,436,059,327.04
  5. Step 5: Solve for x
    x = 434,436,059,327.04/1,029,326.40
  6. Step 6: Final answer
    x = 422,058.60

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Double scale
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Similar ratio
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1.5x scale

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.