Home / 861,149.10-1,291,460.94-692,268.96

Finding the Fourth Proportional to 861,149.10, 1,291,460.94 and 692,268.96

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Solution

The fourth proportional to 861,149.10, 1,291,460.94 and 692,268.96 is: 1,038,192.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    861,149.10 : 1,291,460.94 = 692,268.96 : x
  2. Step 2: Convert to fraction form
    861,149.10/1,291,460.94 = 692,268.96/x
  3. Step 3: Cross multiply
    861,149.10x = 1,291,460.94 × 692,268.96
  4. Step 4: Simplify right side
    861,149.10x = 894,038,321,814.42
  5. Step 5: Solve for x
    x = 894,038,321,814.42/861,149.10
  6. Step 6: Final answer
    x = 1,038,192.25

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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.