Home / 1,204,101.56-1,661,678.88-660,287

Finding the Fourth Proportional to 1,204,101.56, 1,661,678.88 and 660,287

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Solution

The fourth proportional to 1,204,101.56, 1,661,678.88 and 660,287 is: 911,206.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,204,101.56 : 1,661,678.88 = 660,287 : x
  2. Step 2: Convert to fraction form
    1,204,101.56/1,661,678.88 = 660,287/x
  3. Step 3: Cross multiply
    1,204,101.56x = 1,661,678.88 × 660,287
  4. Step 4: Simplify right side
    1,204,101.56x = 1,097,184,962,638.56
  5. Step 5: Solve for x
    x = 1,097,184,962,638.56/1,204,101.56
  6. Step 6: Final answer
    x = 911,206.33

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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.