Home / 1,107,200.40-1,660,800.60-265,752.15

Finding the Fourth Proportional to 1,107,200.40, 1,660,800.60 and 265,752.15

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Solution

The fourth proportional to 1,107,200.40, 1,660,800.60 and 265,752.15 is: 398,628.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,107,200.40 : 1,660,800.60 = 265,752.15 : x
  2. Step 2: Convert to fraction form
    1,107,200.40/1,660,800.60 = 265,752.15/x
  3. Step 3: Cross multiply
    1,107,200.40x = 1,660,800.60 × 265,752.15
  4. Step 4: Simplify right side
    1,107,200.40x = 441,361,330,171.29
  5. Step 5: Solve for x
    x = 441,361,330,171.29/1,107,200.40
  6. Step 6: Final answer
    x = 398,628.23

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Double scale
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Similar ratio
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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.