Home / 1,147,293.65-1,721,052.93-418,015.15

Finding the Fourth Proportional to 1,147,293.65, 1,721,052.93 and 418,015.15

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Solution

The fourth proportional to 1,147,293.65, 1,721,052.93 and 418,015.15 is: 627,063.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,147,293.65 : 1,721,052.93 = 418,015.15 : x
  2. Step 2: Convert to fraction form
    1,147,293.65/1,721,052.93 = 418,015.15/x
  3. Step 3: Cross multiply
    1,147,293.65x = 1,721,052.93 × 418,015.15
  4. Step 4: Simplify right side
    1,147,293.65x = 719,426,198,691.89
  5. Step 5: Solve for x
    x = 719,426,198,691.89/1,147,293.65
  6. Step 6: Final answer
    x = 627,063.70

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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.