Home / 1,147,938.35-1,721,311.76-338,217.66

Finding the Fourth Proportional to 1,147,938.35, 1,721,311.76 and 338,217.66

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Solution

The fourth proportional to 1,147,938.35, 1,721,311.76 and 338,217.66 is: 507,150.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,147,938.35 : 1,721,311.76 = 338,217.66 : x
  2. Step 2: Convert to fraction form
    1,147,938.35/1,721,311.76 = 338,217.66/x
  3. Step 3: Cross multiply
    1,147,938.35x = 1,721,311.76 × 338,217.66
  4. Step 4: Simplify right side
    1,147,938.35x = 582,178,036,443.23
  5. Step 5: Solve for x
    x = 582,178,036,443.23/1,147,938.35
  6. Step 6: Final answer
    x = 507,150.96

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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.