Home / 1,247,983.68-1,872,288-716,105.28

Finding the Fourth Proportional to 1,247,983.68, 1,872,288 and 716,105.28

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Solution

The fourth proportional to 1,247,983.68, 1,872,288 and 716,105.28 is: 1,074,337.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,247,983.68 : 1,872,288 = 716,105.28 : x
  2. Step 2: Convert to fraction form
    1,247,983.68/1,872,288 = 716,105.28/x
  3. Step 3: Cross multiply
    1,247,983.68x = 1,872,288 × 716,105.28
  4. Step 4: Simplify right side
    1,247,983.68x = 1,340,755,322,480.64
  5. Step 5: Solve for x
    x = 1,340,755,322,480.64/1,247,983.68
  6. Step 6: Final answer
    x = 1,074,337.22

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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.