Home / 1,247,744.14-1,721,892.08-674,784.31

Finding the Fourth Proportional to 1,247,744.14, 1,721,892.08 and 674,784.31

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Solution

The fourth proportional to 1,247,744.14, 1,721,892.08 and 674,784.31 is: 931,205.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,247,744.14 : 1,721,892.08 = 674,784.31 : x
  2. Step 2: Convert to fraction form
    1,247,744.14/1,721,892.08 = 674,784.31/x
  3. Step 3: Cross multiply
    1,247,744.14x = 1,721,892.08 × 674,784.31
  4. Step 4: Simplify right side
    1,247,744.14x = 1,161,905,759,097.26
  5. Step 5: Solve for x
    x = 1,161,905,759,097.26/1,247,744.14
  6. Step 6: Final answer
    x = 931,205.14

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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.