Home / 1,204,347.28-1,661,916.60-660,370.16

Finding the Fourth Proportional to 1,204,347.28, 1,661,916.60 and 660,370.16

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Solution

The fourth proportional to 1,204,347.28, 1,661,916.60 and 660,370.16 is: 911,265.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,204,347.28 : 1,661,916.60 = 660,370.16 : x
  2. Step 2: Convert to fraction form
    1,204,347.28/1,661,916.60 = 660,370.16/x
  3. Step 3: Cross multiply
    1,204,347.28x = 1,661,916.60 × 660,370.16
  4. Step 4: Simplify right side
    1,204,347.28x = 1,097,480,131,048.66
  5. Step 5: Solve for x
    x = 1,097,480,131,048.66/1,204,347.28
  6. Step 6: Final answer
    x = 911,265.50

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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.