Home / 1,372,278.43-2,057,584.15-613,978.71

Finding the Fourth Proportional to 1,372,278.43, 2,057,584.15 and 613,978.71

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Solution

The fourth proportional to 1,372,278.43, 2,057,584.15 and 613,978.71 is: 920,595.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,372,278.43 : 2,057,584.15 = 613,978.71 : x
  2. Step 2: Convert to fraction form
    1,372,278.43/2,057,584.15 = 613,978.71/x
  3. Step 3: Cross multiply
    1,372,278.43x = 2,057,584.15 × 613,978.71
  4. Step 4: Simplify right side
    1,372,278.43x = 1,263,312,862,133.45
  5. Step 5: Solve for x
    x = 1,263,312,862,133.45/1,372,278.43
  6. Step 6: Final answer
    x = 920,595.15

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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.