Home / 1,228,311.32-1,842,532.98-386,928.92

Finding the Fourth Proportional to 1,228,311.32, 1,842,532.98 and 386,928.92

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Solution

The fourth proportional to 1,228,311.32, 1,842,532.98 and 386,928.92 is: 580,414.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,228,311.32 : 1,842,532.98 = 386,928.92 : x
  2. Step 2: Convert to fraction form
    1,228,311.32/1,842,532.98 = 386,928.92/x
  3. Step 3: Cross multiply
    1,228,311.32x = 1,842,532.98 × 386,928.92
  4. Step 4: Simplify right side
    1,228,311.32x = 712,929,296,015.78
  5. Step 5: Solve for x
    x = 712,929,296,015.78/1,228,311.32
  6. Step 6: Final answer
    x = 580,414.17

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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.