Home / 1,208,166.88-1,667,306.58-664,274.56

Finding the Fourth Proportional to 1,208,166.88, 1,667,306.58 and 664,274.56

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Solution

The fourth proportional to 1,208,166.88, 1,667,306.58 and 664,274.56 is: 916,718.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,208,166.88 : 1,667,306.58 = 664,274.56 : x
  2. Step 2: Convert to fraction form
    1,208,166.88/1,667,306.58 = 664,274.56/x
  3. Step 3: Cross multiply
    1,208,166.88x = 1,667,306.58 × 664,274.56
  4. Step 4: Simplify right side
    1,208,166.88x = 1,107,549,344,814.61
  5. Step 5: Solve for x
    x = 1,107,549,344,814.61/1,208,166.88
  6. Step 6: Final answer
    x = 916,718.84

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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.