Home / 862,710.58-1,294,066.78-861,464.60

Finding the Fourth Proportional to 862,710.58, 1,294,066.78 and 861,464.60

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Solution

The fourth proportional to 862,710.58, 1,294,066.78 and 861,464.60 is: 1,292,197.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    862,710.58 : 1,294,066.78 = 861,464.60 : x
  2. Step 2: Convert to fraction form
    862,710.58/1,294,066.78 = 861,464.60/x
  3. Step 3: Cross multiply
    862,710.58x = 1,294,066.78 × 861,464.60
  4. Step 4: Simplify right side
    862,710.58x = 1,114,792,710,228.33
  5. Step 5: Solve for x
    x = 1,114,792,710,228.33/862,710.58
  6. Step 6: Final answer
    x = 1,292,197.80

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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.