Home / 1,206,887.20-1,810,329.18-308,329.60

Finding the Fourth Proportional to 1,206,887.20, 1,810,329.18 and 308,329.60

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Solution

The fourth proportional to 1,206,887.20, 1,810,329.18 and 308,329.60 is: 462,493.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,206,887.20 : 1,810,329.18 = 308,329.60 : x
  2. Step 2: Convert to fraction form
    1,206,887.20/1,810,329.18 = 308,329.60/x
  3. Step 3: Cross multiply
    1,206,887.20x = 1,810,329.18 × 308,329.60
  4. Step 4: Simplify right side
    1,206,887.20x = 558,178,071,937.73
  5. Step 5: Solve for x
    x = 558,178,071,937.73/1,206,887.20
  6. Step 6: Final answer
    x = 462,493.99

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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.