Home / 1,208,232.40-1,667,318.04-664,364.40

Finding the Fourth Proportional to 1,208,232.40, 1,667,318.04 and 664,364.40

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Solution

The fourth proportional to 1,208,232.40, 1,667,318.04 and 664,364.40 is: 916,799.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,208,232.40 : 1,667,318.04 = 664,364.40 : x
  2. Step 2: Convert to fraction form
    1,208,232.40/1,667,318.04 = 664,364.40/x
  3. Step 3: Cross multiply
    1,208,232.40x = 1,667,318.04 × 664,364.40
  4. Step 4: Simplify right side
    1,208,232.40x = 1,107,706,749,253.78
  5. Step 5: Solve for x
    x = 1,107,706,749,253.78/1,208,232.40
  6. Step 6: Final answer
    x = 916,799.41

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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.