Home / 1,087,113.50-1,630,400.77-367,439.21

Finding the Fourth Proportional to 1,087,113.50, 1,630,400.77 and 367,439.21

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Solution

The fourth proportional to 1,087,113.50, 1,630,400.77 and 367,439.21 is: 551,067.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,087,113.50 : 1,630,400.77 = 367,439.21 : x
  2. Step 2: Convert to fraction form
    1,087,113.50/1,630,400.77 = 367,439.21/x
  3. Step 3: Cross multiply
    1,087,113.50x = 1,630,400.77 × 367,439.21
  4. Step 4: Simplify right side
    1,087,113.50x = 599,073,170,912.19
  5. Step 5: Solve for x
    x = 599,073,170,912.19/1,087,113.50
  6. Step 6: Final answer
    x = 551,067.73

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Double scale
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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.