Home / 1,140,229.81-1,710,610.74-330,631.11

Finding the Fourth Proportional to 1,140,229.81, 1,710,610.74 and 330,631.11

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Solution

The fourth proportional to 1,140,229.81, 1,710,610.74 and 330,631.11 is: 496,023.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,140,229.81 : 1,710,610.74 = 330,631.11 : x
  2. Step 2: Convert to fraction form
    1,140,229.81/1,710,610.74 = 330,631.11/x
  3. Step 3: Cross multiply
    1,140,229.81x = 1,710,610.74 × 330,631.11
  4. Step 4: Simplify right side
    1,140,229.81x = 565,581,126,090.97
  5. Step 5: Solve for x
    x = 565,581,126,090.97/1,140,229.81
  6. Step 6: Final answer
    x = 496,023.80

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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.