Home / 861,150.10-1,291,462.44-692,269.96

Finding the Fourth Proportional to 861,150.10, 1,291,462.44 and 692,269.96

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Solution

The fourth proportional to 861,150.10, 1,291,462.44 and 692,269.96 is: 1,038,193.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    861,150.10 : 1,291,462.44 = 692,269.96 : x
  2. Step 2: Convert to fraction form
    861,150.10/1,291,462.44 = 692,269.96/x
  3. Step 3: Cross multiply
    861,150.10x = 1,291,462.44 × 692,269.96
  4. Step 4: Simplify right side
    861,150.10x = 894,040,651,680.30
  5. Step 5: Solve for x
    x = 894,040,651,680.30/861,150.10
  6. Step 6: Final answer
    x = 1,038,193.75

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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.