Home / 1,992,586.83-2,988,658.70-713,142.55

Finding the Fourth Proportional to 1,992,586.83, 2,988,658.70 and 713,142.55

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Solution

The fourth proportional to 1,992,586.83, 2,988,658.70 and 713,142.55 is: 1,069,634.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,992,586.83 : 2,988,658.70 = 713,142.55 : x
  2. Step 2: Convert to fraction form
    1,992,586.83/2,988,658.70 = 713,142.55/x
  3. Step 3: Cross multiply
    1,992,586.83x = 2,988,658.70 × 713,142.55
  4. Step 4: Simplify right side
    1,992,586.83x = 2,131,339,686,397.69
  5. Step 5: Solve for x
    x = 2,131,339,686,397.69/1,992,586.83
  6. Step 6: Final answer
    x = 1,069,634.53

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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.