Home / 1,422,366.80-2,134,932.60-862,494.80

Finding the Fourth Proportional to 1,422,366.80, 2,134,932.60 and 862,494.80

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Solution

The fourth proportional to 1,422,366.80, 2,134,932.60 and 862,494.80 is: 1,294,580.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,422,366.80 : 2,134,932.60 = 862,494.80 : x
  2. Step 2: Convert to fraction form
    1,422,366.80/2,134,932.60 = 862,494.80/x
  3. Step 3: Cross multiply
    1,422,366.80x = 2,134,932.60 × 862,494.80
  4. Step 4: Simplify right side
    1,422,366.80x = 1,841,368,265,850.48
  5. Step 5: Solve for x
    x = 1,841,368,265,850.48/1,422,366.80
  6. Step 6: Final answer
    x = 1,294,580.46

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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.