Home / 1,247,439.38-1,871,042.43-348,961.46

Finding the Fourth Proportional to 1,247,439.38, 1,871,042.43 and 348,961.46

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Solution

The fourth proportional to 1,247,439.38, 1,871,042.43 and 348,961.46 is: 523,409.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,247,439.38 : 1,871,042.43 = 348,961.46 : x
  2. Step 2: Convert to fraction form
    1,247,439.38/1,871,042.43 = 348,961.46/x
  3. Step 3: Cross multiply
    1,247,439.38x = 1,871,042.43 × 348,961.46
  4. Step 4: Simplify right side
    1,247,439.38x = 652,921,698,094.75
  5. Step 5: Solve for x
    x = 652,921,698,094.75/1,247,439.38
  6. Step 6: Final answer
    x = 523,409.56

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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.