Home / 1,302,759.24-1,797,879.52-721,970.15

Finding the Fourth Proportional to 1,302,759.24, 1,797,879.52 and 721,970.15

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Solution

The fourth proportional to 1,302,759.24, 1,797,879.52 and 721,970.15 is: 996,358.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,302,759.24 : 1,797,879.52 = 721,970.15 : x
  2. Step 2: Convert to fraction form
    1,302,759.24/1,797,879.52 = 721,970.15/x
  3. Step 3: Cross multiply
    1,302,759.24x = 1,797,879.52 × 721,970.15
  4. Step 4: Simplify right side
    1,302,759.24x = 1,298,015,349,426.10
  5. Step 5: Solve for x
    x = 1,298,015,349,426.10/1,302,759.24
  6. Step 6: Final answer
    x = 996,358.58

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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.