Home / 1,340,067.85-1,849,287.58-728,209.04

Finding the Fourth Proportional to 1,340,067.85, 1,849,287.58 and 728,209.04

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Solution

The fourth proportional to 1,340,067.85, 1,849,287.58 and 728,209.04 is: 1,004,925.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,340,067.85 : 1,849,287.58 = 728,209.04 : x
  2. Step 2: Convert to fraction form
    1,340,067.85/1,849,287.58 = 728,209.04/x
  3. Step 3: Cross multiply
    1,340,067.85x = 1,849,287.58 × 728,209.04
  4. Step 4: Simplify right side
    1,340,067.85x = 1,346,667,922,248.76
  5. Step 5: Solve for x
    x = 1,346,667,922,248.76/1,340,067.85
  6. Step 6: Final answer
    x = 1,004,925.18

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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.