Home / 1,108,189.32-1,662,378.30-349,827.90

Finding the Fourth Proportional to 1,108,189.32, 1,662,378.30 and 349,827.90

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Solution

The fourth proportional to 1,108,189.32, 1,662,378.30 and 349,827.90 is: 524,771.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,108,189.32 : 1,662,378.30 = 349,827.90 : x
  2. Step 2: Convert to fraction form
    1,108,189.32/1,662,378.30 = 349,827.90/x
  3. Step 3: Cross multiply
    1,108,189.32x = 1,662,378.30 × 349,827.90
  4. Step 4: Simplify right side
    1,108,189.32x = 581,546,309,694.57
  5. Step 5: Solve for x
    x = 581,546,309,694.57/1,108,189.32
  6. Step 6: Final answer
    x = 524,771.62

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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.