Home / 1,247,170.74-1,721,098.14-674,210.88

Finding the Fourth Proportional to 1,247,170.74, 1,721,098.14 and 674,210.88

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Solution

The fourth proportional to 1,247,170.74, 1,721,098.14 and 674,210.88 is: 930,412.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,247,170.74 : 1,721,098.14 = 674,210.88 : x
  2. Step 2: Convert to fraction form
    1,247,170.74/1,721,098.14 = 674,210.88/x
  3. Step 3: Cross multiply
    1,247,170.74x = 1,721,098.14 × 674,210.88
  4. Step 4: Simplify right side
    1,247,170.74x = 1,160,383,091,535.76
  5. Step 5: Solve for x
    x = 1,160,383,091,535.76/1,247,170.74
  6. Step 6: Final answer
    x = 930,412.38

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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.