Home / 1,007,066.90-1,510,600.35-408,047.60

Finding the Fourth Proportional to 1,007,066.90, 1,510,600.35 and 408,047.60

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Solution

The fourth proportional to 1,007,066.90, 1,510,600.35 and 408,047.60 is: 612,071.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,007,066.90 : 1,510,600.35 = 408,047.60 : x
  2. Step 2: Convert to fraction form
    1,007,066.90/1,510,600.35 = 408,047.60/x
  3. Step 3: Cross multiply
    1,007,066.90x = 1,510,600.35 × 408,047.60
  4. Step 4: Simplify right side
    1,007,066.90x = 616,396,847,376.66
  5. Step 5: Solve for x
    x = 616,396,847,376.66/1,007,066.90
  6. Step 6: Final answer
    x = 612,071.40

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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.