Home / 1,510,270.20-2,265,405.30-512,998.20

Finding the Fourth Proportional to 1,510,270.20, 2,265,405.30 and 512,998.20

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Solution

The fourth proportional to 1,510,270.20, 2,265,405.30 and 512,998.20 is: 769,497.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,510,270.20 : 2,265,405.30 = 512,998.20 : x
  2. Step 2: Convert to fraction form
    1,510,270.20/2,265,405.30 = 512,998.20/x
  3. Step 3: Cross multiply
    1,510,270.20x = 2,265,405.30 × 512,998.20
  4. Step 4: Simplify right side
    1,510,270.20x = 1,162,148,841,170.46
  5. Step 5: Solve for x
    x = 1,162,148,841,170.46/1,510,270.20
  6. Step 6: Final answer
    x = 769,497.30

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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.