Home / 1,147,294.66-1,721,054.44-418,016.16

Finding the Fourth Proportional to 1,147,294.66, 1,721,054.44 and 418,016.16

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Solution

The fourth proportional to 1,147,294.66, 1,721,054.44 and 418,016.16 is: 627,065.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,147,294.66 : 1,721,054.44 = 418,016.16 : x
  2. Step 2: Convert to fraction form
    1,147,294.66/1,721,054.44 = 418,016.16/x
  3. Step 3: Cross multiply
    1,147,294.66x = 1,721,054.44 × 418,016.16
  4. Step 4: Simplify right side
    1,147,294.66x = 719,428,568,159.75
  5. Step 5: Solve for x
    x = 719,428,568,159.75/1,147,294.66
  6. Step 6: Final answer
    x = 627,065.21

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.