Home / 1,234,516.80-1,850,472.56-665,743.10

Finding the Fourth Proportional to 1,234,516.80, 1,850,472.56 and 665,743.10

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Solution

The fourth proportional to 1,234,516.80, 1,850,472.56 and 665,743.10 is: 997,912.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,234,516.80 : 1,850,472.56 = 665,743.10 : x
  2. Step 2: Convert to fraction form
    1,234,516.80/1,850,472.56 = 665,743.10/x
  3. Step 3: Cross multiply
    1,234,516.80x = 1,850,472.56 × 665,743.10
  4. Step 4: Simplify right side
    1,234,516.80x = 1,231,939,325,978.26
  5. Step 5: Solve for x
    x = 1,231,939,325,978.26/1,234,516.80
  6. Step 6: Final answer
    x = 997,912.16

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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.