Home / 1,235,712.30-1,853,568.45-760,857.90

Finding the Fourth Proportional to 1,235,712.30, 1,853,568.45 and 760,857.90

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Solution

The fourth proportional to 1,235,712.30, 1,853,568.45 and 760,857.90 is: 1,141,286.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,235,712.30 : 1,853,568.45 = 760,857.90 : x
  2. Step 2: Convert to fraction form
    1,235,712.30/1,853,568.45 = 760,857.90/x
  3. Step 3: Cross multiply
    1,235,712.30x = 1,853,568.45 × 760,857.90
  4. Step 4: Simplify right side
    1,235,712.30x = 1,410,302,198,373.26
  5. Step 5: Solve for x
    x = 1,410,302,198,373.26/1,235,712.30
  6. Step 6: Final answer
    x = 1,141,286.85

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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.