Home / 1,245,769.40-1,868,654.70-347,234.38

Finding the Fourth Proportional to 1,245,769.40, 1,868,654.70 and 347,234.38

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Solution

The fourth proportional to 1,245,769.40, 1,868,654.70 and 347,234.38 is: 520,851.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,245,769.40 : 1,868,654.70 = 347,234.38 : x
  2. Step 2: Convert to fraction form
    1,245,769.40/1,868,654.70 = 347,234.38/x
  3. Step 3: Cross multiply
    1,245,769.40x = 1,868,654.70 × 347,234.38
  4. Step 4: Simplify right side
    1,245,769.40x = 648,861,156,188.59
  5. Step 5: Solve for x
    x = 648,861,156,188.59/1,245,769.40
  6. Step 6: Final answer
    x = 520,851.74

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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.