Home / 1,204,528.07-1,662,256.91-660,667.66

Finding the Fourth Proportional to 1,204,528.07, 1,662,256.91 and 660,667.66

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Solution

The fourth proportional to 1,204,528.07, 1,662,256.91 and 660,667.66 is: 911,725.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,204,528.07 : 1,662,256.91 = 660,667.66 : x
  2. Step 2: Convert to fraction form
    1,204,528.07/1,662,256.91 = 660,667.66/x
  3. Step 3: Cross multiply
    1,204,528.07x = 1,662,256.91 × 660,667.66
  4. Step 4: Simplify right side
    1,204,528.07x = 1,098,199,383,048.53
  5. Step 5: Solve for x
    x = 1,098,199,383,048.53/1,204,528.07
  6. Step 6: Final answer
    x = 911,725.85

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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.