Home / 1,332,125.70-1,998,480.15-658,529.70

Finding the Fourth Proportional to 1,332,125.70, 1,998,480.15 and 658,529.70

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Solution

The fourth proportional to 1,332,125.70, 1,998,480.15 and 658,529.70 is: 987,938.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,332,125.70 : 1,998,480.15 = 658,529.70 : x
  2. Step 2: Convert to fraction form
    1,332,125.70/1,998,480.15 = 658,529.70/x
  3. Step 3: Cross multiply
    1,332,125.70x = 1,998,480.15 × 658,529.70
  4. Step 4: Simplify right side
    1,332,125.70x = 1,316,058,533,635.45
  5. Step 5: Solve for x
    x = 1,316,058,533,635.45/1,332,125.70
  6. Step 6: Final answer
    x = 987,938.70

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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.