Home / 1,169,305.20-1,752,645.60-664,108.20

Finding the Fourth Proportional to 1,169,305.20, 1,752,645.60 and 664,108.20

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Solution

The fourth proportional to 1,169,305.20, 1,752,645.60 and 664,108.20 is: 995,417.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,169,305.20 : 1,752,645.60 = 664,108.20 : x
  2. Step 2: Convert to fraction form
    1,169,305.20/1,752,645.60 = 664,108.20/x
  3. Step 3: Cross multiply
    1,169,305.20x = 1,752,645.60 × 664,108.20
  4. Step 4: Simplify right side
    1,169,305.20x = 1,163,946,314,653.92
  5. Step 5: Solve for x
    x = 1,163,946,314,653.92/1,169,305.20
  6. Step 6: Final answer
    x = 995,417.03

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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.