Home / 1,208,002.16-1,667,044.04-664,147.20

Finding the Fourth Proportional to 1,208,002.16, 1,667,044.04 and 664,147.20

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Solution

The fourth proportional to 1,208,002.16, 1,667,044.04 and 664,147.20 is: 916,523.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,208,002.16 : 1,667,044.04 = 664,147.20 : x
  2. Step 2: Convert to fraction form
    1,208,002.16/1,667,044.04 = 664,147.20/x
  3. Step 3: Cross multiply
    1,208,002.16x = 1,667,044.04 × 664,147.20
  4. Step 4: Simplify right side
    1,208,002.16x = 1,107,162,631,442.69
  5. Step 5: Solve for x
    x = 1,107,162,631,442.69/1,208,002.16
  6. Step 6: Final answer
    x = 916,523.72

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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.