Home / 1,145,578.70-1,717,720.05-435,629.90

Finding the Fourth Proportional to 1,145,578.70, 1,717,720.05 and 435,629.90

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Solution

The fourth proportional to 1,145,578.70, 1,717,720.05 and 435,629.90 is: 653,198.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,145,578.70 : 1,717,720.05 = 435,629.90 : x
  2. Step 2: Convert to fraction form
    1,145,578.70/1,717,720.05 = 435,629.90/x
  3. Step 3: Cross multiply
    1,145,578.70x = 1,717,720.05 × 435,629.90
  4. Step 4: Simplify right side
    1,145,578.70x = 748,290,213,609.50
  5. Step 5: Solve for x
    x = 748,290,213,609.50/1,145,578.70
  6. Step 6: Final answer
    x = 653,198.43

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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.