Home / 1,288,032.40-1,932,048.60-341,498.80

Finding the Fourth Proportional to 1,288,032.40, 1,932,048.60 and 341,498.80

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Solution

The fourth proportional to 1,288,032.40, 1,932,048.60 and 341,498.80 is: 512,248.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,288,032.40 : 1,932,048.60 = 341,498.80 : x
  2. Step 2: Convert to fraction form
    1,288,032.40/1,932,048.60 = 341,498.80/x
  3. Step 3: Cross multiply
    1,288,032.40x = 1,932,048.60 × 341,498.80
  4. Step 4: Simplify right side
    1,288,032.40x = 659,792,278,441.68
  5. Step 5: Solve for x
    x = 659,792,278,441.68/1,288,032.40
  6. Step 6: Final answer
    x = 512,248.20

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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.