Home / 1,208,003.16-1,667,045.42-664,148.20

Finding the Fourth Proportional to 1,208,003.16, 1,667,045.42 and 664,148.20

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Solution

The fourth proportional to 1,208,003.16, 1,667,045.42 and 664,148.20 is: 916,525.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,208,003.16 : 1,667,045.42 = 664,148.20 : x
  2. Step 2: Convert to fraction form
    1,208,003.16/1,667,045.42 = 664,148.20/x
  3. Step 3: Cross multiply
    1,208,003.16x = 1,667,045.42 × 664,148.20
  4. Step 4: Simplify right side
    1,208,003.16x = 1,107,165,215,011.24
  5. Step 5: Solve for x
    x = 1,107,165,215,011.24/1,208,003.16
  6. Step 6: Final answer
    x = 916,525.10

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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.