Home / 1,379,524.20-2,069,287.08-382,252.20

Finding the Fourth Proportional to 1,379,524.20, 2,069,287.08 and 382,252.20

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Solution

The fourth proportional to 1,379,524.20, 2,069,287.08 and 382,252.20 is: 573,378.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,379,524.20 : 2,069,287.08 = 382,252.20 : x
  2. Step 2: Convert to fraction form
    1,379,524.20/2,069,287.08 = 382,252.20/x
  3. Step 3: Cross multiply
    1,379,524.20x = 2,069,287.08 × 382,252.20
  4. Step 4: Simplify right side
    1,379,524.20x = 790,989,538,761.58
  5. Step 5: Solve for x
    x = 790,989,538,761.58/1,379,524.20
  6. Step 6: Final answer
    x = 573,378.52

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Double scale
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Similar ratio
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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.