Home / 1,039,428.08-1,558,871.46-440,080.73

Finding the Fourth Proportional to 1,039,428.08, 1,558,871.46 and 440,080.73

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Solution

The fourth proportional to 1,039,428.08, 1,558,871.46 and 440,080.73 is: 660,006.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,039,428.08 : 1,558,871.46 = 440,080.73 : x
  2. Step 2: Convert to fraction form
    1,039,428.08/1,558,871.46 = 440,080.73/x
  3. Step 3: Cross multiply
    1,039,428.08x = 1,558,871.46 × 440,080.73
  4. Step 4: Simplify right side
    1,039,428.08x = 686,029,290,092.97
  5. Step 5: Solve for x
    x = 686,029,290,092.97/1,039,428.08
  6. Step 6: Final answer
    x = 660,006.50

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Double scale
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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.