Home / 1,128,705.88-1,693,217.68-330,047.52

Finding the Fourth Proportional to 1,128,705.88, 1,693,217.68 and 330,047.52

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Solution

The fourth proportional to 1,128,705.88, 1,693,217.68 and 330,047.52 is: 495,117.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,128,705.88 : 1,693,217.68 = 330,047.52 : x
  2. Step 2: Convert to fraction form
    1,128,705.88/1,693,217.68 = 330,047.52/x
  3. Step 3: Cross multiply
    1,128,705.88x = 1,693,217.68 × 330,047.52
  4. Step 4: Simplify right side
    1,128,705.88x = 558,842,296,104.15
  5. Step 5: Solve for x
    x = 558,842,296,104.15/1,128,705.88
  6. Step 6: Final answer
    x = 495,117.73

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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.