Home / 1,085,319.12-1,627,959.22-445,483.92

Finding the Fourth Proportional to 1,085,319.12, 1,627,959.22 and 445,483.92

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Solution

The fourth proportional to 1,085,319.12, 1,627,959.22 and 445,483.92 is: 668,217.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,085,319.12 : 1,627,959.22 = 445,483.92 : x
  2. Step 2: Convert to fraction form
    1,085,319.12/1,627,959.22 = 445,483.92/x
  3. Step 3: Cross multiply
    1,085,319.12x = 1,627,959.22 × 445,483.92
  4. Step 4: Simplify right side
    1,085,319.12x = 725,229,654,925.74
  5. Step 5: Solve for x
    x = 725,229,654,925.74/1,085,319.12
  6. Step 6: Final answer
    x = 668,217.89

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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.