Home / 872,443.32-1,204,889.64-777,343.46

Finding the Fourth Proportional to 872,443.32, 1,204,889.64 and 777,343.46

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Solution

The fourth proportional to 872,443.32, 1,204,889.64 and 777,343.46 is: 1,073,551.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    872,443.32 : 1,204,889.64 = 777,343.46 : x
  2. Step 2: Convert to fraction form
    872,443.32/1,204,889.64 = 777,343.46/x
  3. Step 3: Cross multiply
    872,443.32x = 1,204,889.64 × 777,343.46
  4. Step 4: Simplify right side
    872,443.32x = 936,613,081,675.75
  5. Step 5: Solve for x
    x = 936,613,081,675.75/872,443.32
  6. Step 6: Final answer
    x = 1,073,551.78

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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.