Home / 1,247,036.80-1,720,910.02-674,076.96

Finding the Fourth Proportional to 1,247,036.80, 1,720,910.02 and 674,076.96

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Solution

The fourth proportional to 1,247,036.80, 1,720,910.02 and 674,076.96 is: 930,225.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,247,036.80 : 1,720,910.02 = 674,076.96 : x
  2. Step 2: Convert to fraction form
    1,247,036.80/1,720,910.02 = 674,076.96/x
  3. Step 3: Cross multiply
    1,247,036.80x = 1,720,910.02 × 674,076.96
  4. Step 4: Simplify right side
    1,247,036.80x = 1,160,025,794,715.14
  5. Step 5: Solve for x
    x = 1,160,025,794,715.14/1,247,036.80
  6. Step 6: Final answer
    x = 930,225.79

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.