Home / 1,677,982.56-2,515,580.40-666,480.48

Finding the Fourth Proportional to 1,677,982.56, 2,515,580.40 and 666,480.48

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Solution

The fourth proportional to 1,677,982.56, 2,515,580.40 and 666,480.48 is: 999,167.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,677,982.56 : 2,515,580.40 = 666,480.48 : x
  2. Step 2: Convert to fraction form
    1,677,982.56/2,515,580.40 = 666,480.48/x
  3. Step 3: Cross multiply
    1,677,982.56x = 2,515,580.40 × 666,480.48
  4. Step 4: Simplify right side
    1,677,982.56x = 1,676,585,232,470.59
  5. Step 5: Solve for x
    x = 1,676,585,232,470.59/1,677,982.56
  6. Step 6: Final answer
    x = 999,167.26

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.