Home / 1,447,800.68-1,998,204.78-803,427.86

Finding the Fourth Proportional to 1,447,800.68, 1,998,204.78 and 803,427.86

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Solution

The fourth proportional to 1,447,800.68, 1,998,204.78 and 803,427.86 is: 1,108,863.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,447,800.68 : 1,998,204.78 = 803,427.86 : x
  2. Step 2: Convert to fraction form
    1,447,800.68/1,998,204.78 = 803,427.86/x
  3. Step 3: Cross multiply
    1,447,800.68x = 1,998,204.78 × 803,427.86
  4. Step 4: Simplify right side
    1,447,800.68x = 1,605,413,380,246.15
  5. Step 5: Solve for x
    x = 1,605,413,380,246.15/1,447,800.68
  6. Step 6: Final answer
    x = 1,108,863.54

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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.