Home / 1,247,860.52-1,871,997.62-438,034.88

Finding the Fourth Proportional to 1,247,860.52, 1,871,997.62 and 438,034.88

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Solution

The fourth proportional to 1,247,860.52, 1,871,997.62 and 438,034.88 is: 657,124.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,247,860.52 : 1,871,997.62 = 438,034.88 : x
  2. Step 2: Convert to fraction form
    1,247,860.52/1,871,997.62 = 438,034.88/x
  3. Step 3: Cross multiply
    1,247,860.52x = 1,871,997.62 × 438,034.88
  4. Step 4: Simplify right side
    1,247,860.52x = 820,000,252,836.99
  5. Step 5: Solve for x
    x = 820,000,252,836.99/1,247,860.52
  6. Step 6: Final answer
    x = 657,124.93

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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.