Home / 1,113,818.40-1,670,727.60-325,850.40

Finding the Fourth Proportional to 1,113,818.40, 1,670,727.60 and 325,850.40

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Solution

The fourth proportional to 1,113,818.40, 1,670,727.60 and 325,850.40 is: 488,775.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,113,818.40 : 1,670,727.60 = 325,850.40 : x
  2. Step 2: Convert to fraction form
    1,113,818.40/1,670,727.60 = 325,850.40/x
  3. Step 3: Cross multiply
    1,113,818.40x = 1,670,727.60 × 325,850.40
  4. Step 4: Simplify right side
    1,113,818.40x = 544,407,256,751.04
  5. Step 5: Solve for x
    x = 544,407,256,751.04/1,113,818.40
  6. Step 6: Final answer
    x = 488,775.60

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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.