Home / 1,039,772.70-1,559,659.05-479,900.70

Finding the Fourth Proportional to 1,039,772.70, 1,559,659.05 and 479,900.70

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Solution

The fourth proportional to 1,039,772.70, 1,559,659.05 and 479,900.70 is: 719,851.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,039,772.70 : 1,559,659.05 = 479,900.70 : x
  2. Step 2: Convert to fraction form
    1,039,772.70/1,559,659.05 = 479,900.70/x
  3. Step 3: Cross multiply
    1,039,772.70x = 1,559,659.05 × 479,900.70
  4. Step 4: Simplify right side
    1,039,772.70x = 748,481,469,856.34
  5. Step 5: Solve for x
    x = 748,481,469,856.34/1,039,772.70
  6. Step 6: Final answer
    x = 719,851.05

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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.