Home / 1,029,270.40-1,543,905.60-281,316.40

Finding the Fourth Proportional to 1,029,270.40, 1,543,905.60 and 281,316.40

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Solution

The fourth proportional to 1,029,270.40, 1,543,905.60 and 281,316.40 is: 421,974.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,029,270.40 : 1,543,905.60 = 281,316.40 : x
  2. Step 2: Convert to fraction form
    1,029,270.40/1,543,905.60 = 281,316.40/x
  3. Step 3: Cross multiply
    1,029,270.40x = 1,543,905.60 × 281,316.40
  4. Step 4: Simplify right side
    1,029,270.40x = 434,325,965,331.84
  5. Step 5: Solve for x
    x = 434,325,965,331.84/1,029,270.40
  6. Step 6: Final answer
    x = 421,974.60

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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.