Home / 1,147,882.53-1,721,823.78-418,460.45

Finding the Fourth Proportional to 1,147,882.53, 1,721,823.78 and 418,460.45

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Solution

The fourth proportional to 1,147,882.53, 1,721,823.78 and 418,460.45 is: 627,690.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,147,882.53 : 1,721,823.78 = 418,460.45 : x
  2. Step 2: Convert to fraction form
    1,147,882.53/1,721,823.78 = 418,460.45/x
  3. Step 3: Cross multiply
    1,147,882.53x = 1,721,823.78 × 418,460.45
  4. Step 4: Simplify right side
    1,147,882.53x = 720,515,145,190.38
  5. Step 5: Solve for x
    x = 720,515,145,190.38/1,147,882.53
  6. Step 6: Final answer
    x = 627,690.66

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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.