Home / 1,302,565.92-1,797,530.40-729,611.52

Finding the Fourth Proportional to 1,302,565.92, 1,797,530.40 and 729,611.52

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Solution

The fourth proportional to 1,302,565.92, 1,797,530.40 and 729,611.52 is: 1,006,857.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,302,565.92 : 1,797,530.40 = 729,611.52 : x
  2. Step 2: Convert to fraction form
    1,302,565.92/1,797,530.40 = 729,611.52/x
  3. Step 3: Cross multiply
    1,302,565.92x = 1,797,530.40 × 729,611.52
  4. Step 4: Simplify right side
    1,302,565.92x = 1,311,498,887,390.21
  5. Step 5: Solve for x
    x = 1,311,498,887,390.21/1,302,565.92
  6. Step 6: Final answer
    x = 1,006,857.98

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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.