Home / 1,338,367.32-2,007,808.29-539,729.73

Finding the Fourth Proportional to 1,338,367.32, 2,007,808.29 and 539,729.73

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Solution

The fourth proportional to 1,338,367.32, 2,007,808.29 and 539,729.73 is: 809,698.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,338,367.32 : 2,007,808.29 = 539,729.73 : x
  2. Step 2: Convert to fraction form
    1,338,367.32/2,007,808.29 = 539,729.73/x
  3. Step 3: Cross multiply
    1,338,367.32x = 2,007,808.29 × 539,729.73
  4. Step 4: Simplify right side
    1,338,367.32x = 1,083,673,826,253.46
  5. Step 5: Solve for x
    x = 1,083,673,826,253.46/1,338,367.32
  6. Step 6: Final answer
    x = 809,698.36

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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.