Home / 1,435,788.48-1,981,401.44-791,231.79

Finding the Fourth Proportional to 1,435,788.48, 1,981,401.44 and 791,231.79

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Solution

The fourth proportional to 1,435,788.48, 1,981,401.44 and 791,231.79 is: 1,091,907.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,435,788.48 : 1,981,401.44 = 791,231.79 : x
  2. Step 2: Convert to fraction form
    1,435,788.48/1,981,401.44 = 791,231.79/x
  3. Step 3: Cross multiply
    1,435,788.48x = 1,981,401.44 × 791,231.79
  4. Step 4: Simplify right side
    1,435,788.48x = 1,567,747,808,079.78
  5. Step 5: Solve for x
    x = 1,567,747,808,079.78/1,435,788.48
  6. Step 6: Final answer
    x = 1,091,907.22

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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.