Home / 1,109,044.39-1,663,393.07-361,085.35

Finding the Fourth Proportional to 1,109,044.39, 1,663,393.07 and 361,085.35

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Solution

The fourth proportional to 1,109,044.39, 1,663,393.07 and 361,085.35 is: 541,571.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,109,044.39 : 1,663,393.07 = 361,085.35 : x
  2. Step 2: Convert to fraction form
    1,109,044.39/1,663,393.07 = 361,085.35/x
  3. Step 3: Cross multiply
    1,109,044.39x = 1,663,393.07 × 361,085.35
  4. Step 4: Simplify right side
    1,109,044.39x = 600,626,867,063.10
  5. Step 5: Solve for x
    x = 600,626,867,063.10/1,109,044.39
  6. Step 6: Final answer
    x = 541,571.53

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Double scale
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1.5x scale

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.