Home / 1,120,503.38-1,680,769.64-372,549.38

Finding the Fourth Proportional to 1,120,503.38, 1,680,769.64 and 372,549.38

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Solution

The fourth proportional to 1,120,503.38, 1,680,769.64 and 372,549.38 is: 558,828.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,120,503.38 : 1,680,769.64 = 372,549.38 : x
  2. Step 2: Convert to fraction form
    1,120,503.38/1,680,769.64 = 372,549.38/x
  3. Step 3: Cross multiply
    1,120,503.38x = 1,680,769.64 × 372,549.38
  4. Step 4: Simplify right side
    1,120,503.38x = 626,169,679,832.35
  5. Step 5: Solve for x
    x = 626,169,679,832.35/1,120,503.38
  6. Step 6: Final answer
    x = 558,828.91

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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.