Home / 859,228.80-1,288,843.20-859,228.80

Finding the Fourth Proportional to 859,228.80, 1,288,843.20 and 859,228.80

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Solution

The fourth proportional to 859,228.80, 1,288,843.20 and 859,228.80 is: 1,288,843.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    859,228.80 : 1,288,843.20 = 859,228.80 : x
  2. Step 2: Convert to fraction form
    859,228.80/1,288,843.20 = 859,228.80/x
  3. Step 3: Cross multiply
    859,228.80x = 1,288,843.20 × 859,228.80
  4. Step 4: Simplify right side
    859,228.80x = 1,107,411,196,124.16
  5. Step 5: Solve for x
    x = 1,107,411,196,124.16/859,228.80
  6. Step 6: Final answer
    x = 1,288,843.20

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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.