Home / 1,023,176.20-1,534,764.30-313,205.80

Finding the Fourth Proportional to 1,023,176.20, 1,534,764.30 and 313,205.80

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Solution

The fourth proportional to 1,023,176.20, 1,534,764.30 and 313,205.80 is: 469,808.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,023,176.20 : 1,534,764.30 = 313,205.80 : x
  2. Step 2: Convert to fraction form
    1,023,176.20/1,534,764.30 = 313,205.80/x
  3. Step 3: Cross multiply
    1,023,176.20x = 1,534,764.30 × 313,205.80
  4. Step 4: Simplify right side
    1,023,176.20x = 480,697,080,392.94
  5. Step 5: Solve for x
    x = 480,697,080,392.94/1,023,176.20
  6. Step 6: Final answer
    x = 469,808.70

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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.