Home / 1,147,617.72-1,721,635.56-379,159.38

Finding the Fourth Proportional to 1,147,617.72, 1,721,635.56 and 379,159.38

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Solution

The fourth proportional to 1,147,617.72, 1,721,635.56 and 379,159.38 is: 568,808.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,147,617.72 : 1,721,635.56 = 379,159.38 : x
  2. Step 2: Convert to fraction form
    1,147,617.72/1,721,635.56 = 379,159.38/x
  3. Step 3: Cross multiply
    1,147,617.72x = 1,721,635.56 × 379,159.38
  4. Step 4: Simplify right side
    1,147,617.72x = 652,774,271,515.55
  5. Step 5: Solve for x
    x = 652,774,271,515.55/1,147,617.72
  6. Step 6: Final answer
    x = 568,808.11

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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.