Home / 1,520,887.30-2,281,330.95-399,069.70

Finding the Fourth Proportional to 1,520,887.30, 2,281,330.95 and 399,069.70

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Solution

The fourth proportional to 1,520,887.30, 2,281,330.95 and 399,069.70 is: 598,604.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,520,887.30 : 2,281,330.95 = 399,069.70 : x
  2. Step 2: Convert to fraction form
    1,520,887.30/2,281,330.95 = 399,069.70/x
  3. Step 3: Cross multiply
    1,520,887.30x = 2,281,330.95 × 399,069.70
  4. Step 4: Simplify right side
    1,520,887.30x = 910,410,057,817.22
  5. Step 5: Solve for x
    x = 910,410,057,817.22/1,520,887.30
  6. Step 6: Final answer
    x = 598,604.55

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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.