Home / 1,025,610.30-1,538,415.45-351,601.20

Finding the Fourth Proportional to 1,025,610.30, 1,538,415.45 and 351,601.20

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Solution

The fourth proportional to 1,025,610.30, 1,538,415.45 and 351,601.20 is: 527,401.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,025,610.30 : 1,538,415.45 = 351,601.20 : x
  2. Step 2: Convert to fraction form
    1,025,610.30/1,538,415.45 = 351,601.20/x
  3. Step 3: Cross multiply
    1,025,610.30x = 1,538,415.45 × 351,601.20
  4. Step 4: Simplify right side
    1,025,610.30x = 540,908,718,318.54
  5. Step 5: Solve for x
    x = 540,908,718,318.54/1,025,610.30
  6. Step 6: Final answer
    x = 527,401.80

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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.