Home / 1,147,291.65-1,721,049.93-418,013.15

Finding the Fourth Proportional to 1,147,291.65, 1,721,049.93 and 418,013.15

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Solution

The fourth proportional to 1,147,291.65, 1,721,049.93 and 418,013.15 is: 627,060.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,147,291.65 : 1,721,049.93 = 418,013.15 : x
  2. Step 2: Convert to fraction form
    1,147,291.65/1,721,049.93 = 418,013.15/x
  3. Step 3: Cross multiply
    1,147,291.65x = 1,721,049.93 × 418,013.15
  4. Step 4: Simplify right side
    1,147,291.65x = 719,421,493,941.33
  5. Step 5: Solve for x
    x = 719,421,493,941.33/1,147,291.65
  6. Step 6: Final answer
    x = 627,060.69

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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.