Home / 1,247,744.31-1,721,892.32-674,784.48

Finding the Fourth Proportional to 1,247,744.31, 1,721,892.32 and 674,784.48

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Solution

The fourth proportional to 1,247,744.31, 1,721,892.32 and 674,784.48 is: 931,205.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,247,744.31 : 1,721,892.32 = 674,784.48 : x
  2. Step 2: Convert to fraction form
    1,247,744.31/1,721,892.32 = 674,784.48/x
  3. Step 3: Cross multiply
    1,247,744.31x = 1,721,892.32 × 674,784.48
  4. Step 4: Simplify right side
    1,247,744.31x = 1,161,906,213,767.19
  5. Step 5: Solve for x
    x = 1,161,906,213,767.19/1,247,744.31
  6. Step 6: Final answer
    x = 931,205.38

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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.