Home / 1,208,713.59-1,667,989.92-664,849.35

Finding the Fourth Proportional to 1,208,713.59, 1,667,989.92 and 664,849.35

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Solution

The fourth proportional to 1,208,713.59, 1,667,989.92 and 664,849.35 is: 917,472.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,208,713.59 : 1,667,989.92 = 664,849.35 : x
  2. Step 2: Convert to fraction form
    1,208,713.59/1,667,989.92 = 664,849.35/x
  3. Step 3: Cross multiply
    1,208,713.59x = 1,667,989.92 × 664,849.35
  4. Step 4: Simplify right side
    1,208,713.59x = 1,108,962,014,118.55
  5. Step 5: Solve for x
    x = 1,108,962,014,118.55/1,208,713.59
  6. Step 6: Final answer
    x = 917,472.94

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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.