Home / 1,208,365.24-1,667,508.78-664,500.46

Finding the Fourth Proportional to 1,208,365.24, 1,667,508.78 and 664,500.46

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Solution

The fourth proportional to 1,208,365.24, 1,667,508.78 and 664,500.46 is: 916,991.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,208,365.24 : 1,667,508.78 = 664,500.46 : x
  2. Step 2: Convert to fraction form
    1,208,365.24/1,667,508.78 = 664,500.46/x
  3. Step 3: Cross multiply
    1,208,365.24x = 1,667,508.78 × 664,500.46
  4. Step 4: Simplify right side
    1,208,365.24x = 1,108,060,351,364.04
  5. Step 5: Solve for x
    x = 1,108,060,351,364.04/1,208,365.24
  6. Step 6: Final answer
    x = 916,991.25

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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.