Home / 1,007,106.40-1,510,659.60-408,087.10

Finding the Fourth Proportional to 1,007,106.40, 1,510,659.60 and 408,087.10

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Solution

The fourth proportional to 1,007,106.40, 1,510,659.60 and 408,087.10 is: 612,130.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,007,106.40 : 1,510,659.60 = 408,087.10 : x
  2. Step 2: Convert to fraction form
    1,007,106.40/1,510,659.60 = 408,087.10/x
  3. Step 3: Cross multiply
    1,007,106.40x = 1,510,659.60 × 408,087.10
  4. Step 4: Simplify right side
    1,007,106.40x = 616,480,695,251.16
  5. Step 5: Solve for x
    x = 616,480,695,251.16/1,007,106.40
  6. Step 6: Final answer
    x = 612,130.65

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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.