Home / 1,012,860.30-1,519,290.45-264,906.30

Finding the Fourth Proportional to 1,012,860.30, 1,519,290.45 and 264,906.30

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Solution

The fourth proportional to 1,012,860.30, 1,519,290.45 and 264,906.30 is: 397,359.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,012,860.30 : 1,519,290.45 = 264,906.30 : x
  2. Step 2: Convert to fraction form
    1,012,860.30/1,519,290.45 = 264,906.30/x
  3. Step 3: Cross multiply
    1,012,860.30x = 1,519,290.45 × 264,906.30
  4. Step 4: Simplify right side
    1,012,860.30x = 402,469,611,734.84
  5. Step 5: Solve for x
    x = 402,469,611,734.84/1,012,860.30
  6. Step 6: Final answer
    x = 397,359.45

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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.