Home / 1,015,234.59-1,522,855.32-257,075.70

Finding the Fourth Proportional to 1,015,234.59, 1,522,855.32 and 257,075.70

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Solution

The fourth proportional to 1,015,234.59, 1,522,855.32 and 257,075.70 is: 385,614.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,015,234.59 : 1,522,855.32 = 257,075.70 : x
  2. Step 2: Convert to fraction form
    1,015,234.59/1,522,855.32 = 257,075.70/x
  3. Step 3: Cross multiply
    1,015,234.59x = 1,522,855.32 × 257,075.70
  4. Step 4: Simplify right side
    1,015,234.59x = 391,489,097,387.72
  5. Step 5: Solve for x
    x = 391,489,097,387.72/1,015,234.59
  6. Step 6: Final answer
    x = 385,614.42

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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.