Home / 1,023,624.20-1,536,699.90-644,544.20

Finding the Fourth Proportional to 1,023,624.20, 1,536,699.90 and 644,544.20

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Solution

The fourth proportional to 1,023,624.20, 1,536,699.90 and 644,544.20 is: 967,611.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,023,624.20 : 1,536,699.90 = 644,544.20 : x
  2. Step 2: Convert to fraction form
    1,023,624.20/1,536,699.90 = 644,544.20/x
  3. Step 3: Cross multiply
    1,023,624.20x = 1,536,699.90 × 644,544.20
  4. Step 4: Simplify right side
    1,023,624.20x = 990,471,007,685.58
  5. Step 5: Solve for x
    x = 990,471,007,685.58/1,023,624.20
  6. Step 6: Final answer
    x = 967,611.95

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Double scale
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1.5x scale

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.