Home / 1,239,727.29-1,858,868.38-480,682

Finding the Fourth Proportional to 1,239,727.29, 1,858,868.38 and 480,682

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Solution

The fourth proportional to 1,239,727.29, 1,858,868.38 and 480,682 is: 720,742.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,239,727.29 : 1,858,868.38 = 480,682 : x
  2. Step 2: Convert to fraction form
    1,239,727.29/1,858,868.38 = 480,682/x
  3. Step 3: Cross multiply
    1,239,727.29x = 1,858,868.38 × 480,682
  4. Step 4: Simplify right side
    1,239,727.29x = 893,524,570,635.16
  5. Step 5: Solve for x
    x = 893,524,570,635.16/1,239,727.29
  6. Step 6: Final answer
    x = 720,742.84

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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.