Home / 1,432,901.40-2,149,352.10-1,012,997.40

Finding the Fourth Proportional to 1,432,901.40, 2,149,352.10 and 1,012,997.40

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Solution

The fourth proportional to 1,432,901.40, 2,149,352.10 and 1,012,997.40 is: 1,519,496.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,432,901.40 : 2,149,352.10 = 1,012,997.40 : x
  2. Step 2: Convert to fraction form
    1,432,901.40/2,149,352.10 = 1,012,997.40/x
  3. Step 3: Cross multiply
    1,432,901.40x = 2,149,352.10 × 1,012,997.40
  4. Step 4: Simplify right side
    1,432,901.40x = 2,177,288,088,984.54
  5. Step 5: Solve for x
    x = 2,177,288,088,984.54/1,432,901.40
  6. Step 6: Final answer
    x = 1,519,496.10

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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.