Home / 1,176,765.78-1,765,148.64-822,471.78

Finding the Fourth Proportional to 1,176,765.78, 1,765,148.64 and 822,471.78

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Solution

The fourth proportional to 1,176,765.78, 1,765,148.64 and 822,471.78 is: 1,233,707.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,176,765.78 : 1,765,148.64 = 822,471.78 : x
  2. Step 2: Convert to fraction form
    1,176,765.78/1,765,148.64 = 822,471.78/x
  3. Step 3: Cross multiply
    1,176,765.78x = 1,765,148.64 × 822,471.78
  4. Step 4: Simplify right side
    1,176,765.78x = 1,451,784,943,905.38
  5. Step 5: Solve for x
    x = 1,451,784,943,905.38/1,176,765.78
  6. Step 6: Final answer
    x = 1,233,707.65

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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.