Home / 1,432,179.78-2,147,810.13-472,419.78

Finding the Fourth Proportional to 1,432,179.78, 2,147,810.13 and 472,419.78

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Solution

The fourth proportional to 1,432,179.78, 2,147,810.13 and 472,419.78 is: 708,478.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,432,179.78 : 2,147,810.13 = 472,419.78 : x
  2. Step 2: Convert to fraction form
    1,432,179.78/2,147,810.13 = 472,419.78/x
  3. Step 3: Cross multiply
    1,432,179.78x = 2,147,810.13 × 472,419.78
  4. Step 4: Simplify right side
    1,432,179.78x = 1,014,667,989,096.37
  5. Step 5: Solve for x
    x = 1,014,667,989,096.37/1,432,179.78
  6. Step 6: Final answer
    x = 708,478.09

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Double scale
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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.