Home / 1,247,400.94-1,871,332.20-394,687.24

Finding the Fourth Proportional to 1,247,400.94, 1,871,332.20 and 394,687.24

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Solution

The fourth proportional to 1,247,400.94, 1,871,332.20 and 394,687.24 is: 592,103.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,247,400.94 : 1,871,332.20 = 394,687.24 : x
  2. Step 2: Convert to fraction form
    1,247,400.94/1,871,332.20 = 394,687.24/x
  3. Step 3: Cross multiply
    1,247,400.94x = 1,871,332.20 × 394,687.24
  4. Step 4: Simplify right side
    1,247,400.94x = 738,590,941,141.13
  5. Step 5: Solve for x
    x = 738,590,941,141.13/1,247,400.94
  6. Step 6: Final answer
    x = 592,103.88

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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.