Home / 1,105,791.40-1,659,561.90-432,195.40

Finding the Fourth Proportional to 1,105,791.40, 1,659,561.90 and 432,195.40

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Solution

The fourth proportional to 1,105,791.40, 1,659,561.90 and 432,195.40 is: 648,635.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,105,791.40 : 1,659,561.90 = 432,195.40 : x
  2. Step 2: Convert to fraction form
    1,105,791.40/1,659,561.90 = 432,195.40/x
  3. Step 3: Cross multiply
    1,105,791.40x = 1,659,561.90 × 432,195.40
  4. Step 4: Simplify right side
    1,105,791.40x = 717,255,019,195.26
  5. Step 5: Solve for x
    x = 717,255,019,195.26/1,105,791.40
  6. Step 6: Final answer
    x = 648,635.01

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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.