Home / 1,008,155.60-1,512,233.40-376,987.40

Finding the Fourth Proportional to 1,008,155.60, 1,512,233.40 and 376,987.40

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Solution

The fourth proportional to 1,008,155.60, 1,512,233.40 and 376,987.40 is: 565,481.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,008,155.60 : 1,512,233.40 = 376,987.40 : x
  2. Step 2: Convert to fraction form
    1,008,155.60/1,512,233.40 = 376,987.40/x
  3. Step 3: Cross multiply
    1,008,155.60x = 1,512,233.40 × 376,987.40
  4. Step 4: Simplify right side
    1,008,155.60x = 570,092,937,659.16
  5. Step 5: Solve for x
    x = 570,092,937,659.16/1,008,155.60
  6. Step 6: Final answer
    x = 565,481.10

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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.