Home / 1,109,043.64-1,663,391.94-361,084.60

Finding the Fourth Proportional to 1,109,043.64, 1,663,391.94 and 361,084.60

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Solution

The fourth proportional to 1,109,043.64, 1,663,391.94 and 361,084.60 is: 541,570.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,109,043.64 : 1,663,391.94 = 361,084.60 : x
  2. Step 2: Convert to fraction form
    1,109,043.64/1,663,391.94 = 361,084.60/x
  3. Step 3: Cross multiply
    1,109,043.64x = 1,663,391.94 × 361,084.60
  4. Step 4: Simplify right side
    1,109,043.64x = 600,625,213,298.12
  5. Step 5: Solve for x
    x = 600,625,213,298.12/1,109,043.64
  6. Step 6: Final answer
    x = 541,570.41

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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.