Home / 1,247,361.96-1,721,355.72-674,402.13

Finding the Fourth Proportional to 1,247,361.96, 1,721,355.72 and 674,402.13

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Solution

The fourth proportional to 1,247,361.96, 1,721,355.72 and 674,402.13 is: 930,672.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,247,361.96 : 1,721,355.72 = 674,402.13 : x
  2. Step 2: Convert to fraction form
    1,247,361.96/1,721,355.72 = 674,402.13/x
  3. Step 3: Cross multiply
    1,247,361.96x = 1,721,355.72 × 674,402.13
  4. Step 4: Simplify right side
    1,247,361.96x = 1,160,885,964,055.68
  5. Step 5: Solve for x
    x = 1,160,885,964,055.68/1,247,361.96
  6. Step 6: Final answer
    x = 930,672.89

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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.