Home / 1,309,800.08-1,807,553.40-800,783.12

Finding the Fourth Proportional to 1,309,800.08, 1,807,553.40 and 800,783.12

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Solution

The fourth proportional to 1,309,800.08, 1,807,553.40 and 800,783.12 is: 1,105,098.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,309,800.08 : 1,807,553.40 = 800,783.12 : x
  2. Step 2: Convert to fraction form
    1,309,800.08/1,807,553.40 = 800,783.12/x
  3. Step 3: Cross multiply
    1,309,800.08x = 1,807,553.40 × 800,783.12
  4. Step 4: Simplify right side
    1,309,800.08x = 1,447,458,251,218.61
  5. Step 5: Solve for x
    x = 1,447,458,251,218.61/1,309,800.08
  6. Step 6: Final answer
    x = 1,105,098.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.