Home / 1,126,453.02-1,678,842.02-1,108,517.19

Finding the Fourth Proportional to 1,126,453.02, 1,678,842.02 and 1,108,517.19

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Solution

The fourth proportional to 1,126,453.02, 1,678,842.02 and 1,108,517.19 is: 1,652,110.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,126,453.02 : 1,678,842.02 = 1,108,517.19 : x
  2. Step 2: Convert to fraction form
    1,126,453.02/1,678,842.02 = 1,108,517.19/x
  3. Step 3: Cross multiply
    1,126,453.02x = 1,678,842.02 × 1,108,517.19
  4. Step 4: Simplify right side
    1,126,453.02x = 1,861,025,238,464.32
  5. Step 5: Solve for x
    x = 1,861,025,238,464.32/1,126,453.02
  6. Step 6: Final answer
    x = 1,652,110.83

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.