Home / 1,452,928.32-2,179,882.94-643,201.07

Finding the Fourth Proportional to 1,452,928.32, 2,179,882.94 and 643,201.07

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Solution

The fourth proportional to 1,452,928.32, 2,179,882.94 and 643,201.07 is: 965,018.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,452,928.32 : 2,179,882.94 = 643,201.07 : x
  2. Step 2: Convert to fraction form
    1,452,928.32/2,179,882.94 = 643,201.07/x
  3. Step 3: Cross multiply
    1,452,928.32x = 2,179,882.94 × 643,201.07
  4. Step 4: Simplify right side
    1,452,928.32x = 1,402,103,025,367.33
  5. Step 5: Solve for x
    x = 1,402,103,025,367.33/1,452,928.32
  6. Step 6: Final answer
    x = 965,018.72

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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.