Home / 1,057,990.28-1,586,778.75-338,138.88

Finding the Fourth Proportional to 1,057,990.28, 1,586,778.75 and 338,138.88

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Solution

The fourth proportional to 1,057,990.28, 1,586,778.75 and 338,138.88 is: 507,142.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,057,990.28 : 1,586,778.75 = 338,138.88 : x
  2. Step 2: Convert to fraction form
    1,057,990.28/1,586,778.75 = 338,138.88/x
  3. Step 3: Cross multiply
    1,057,990.28x = 1,586,778.75 × 338,138.88
  4. Step 4: Simplify right side
    1,057,990.28x = 536,551,589,332.80
  5. Step 5: Solve for x
    x = 536,551,589,332.80/1,057,990.28
  6. Step 6: Final answer
    x = 507,142.27

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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.