Home / 1,433,340.46-2,149,991.25-487,370.62

Finding the Fourth Proportional to 1,433,340.46, 2,149,991.25 and 487,370.62

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Solution

The fourth proportional to 1,433,340.46, 2,149,991.25 and 487,370.62 is: 731,049.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,433,340.46 : 2,149,991.25 = 487,370.62 : x
  2. Step 2: Convert to fraction form
    1,433,340.46/2,149,991.25 = 487,370.62/x
  3. Step 3: Cross multiply
    1,433,340.46x = 2,149,991.25 × 487,370.62
  4. Step 4: Simplify right side
    1,433,340.46x = 1,047,842,572,108.38
  5. Step 5: Solve for x
    x = 1,047,842,572,108.38/1,433,340.46
  6. Step 6: Final answer
    x = 731,049.32

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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.