Home / 1,215,877.33-1,677,997.59-672,001.41

Finding the Fourth Proportional to 1,215,877.33, 1,677,997.59 and 672,001.41

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Solution

The fourth proportional to 1,215,877.33, 1,677,997.59 and 672,001.41 is: 927,409.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,215,877.33 : 1,677,997.59 = 672,001.41 : x
  2. Step 2: Convert to fraction form
    1,215,877.33/1,677,997.59 = 672,001.41/x
  3. Step 3: Cross multiply
    1,215,877.33x = 1,677,997.59 × 672,001.41
  4. Step 4: Simplify right side
    1,215,877.33x = 1,127,616,743,096.60
  5. Step 5: Solve for x
    x = 1,127,616,743,096.60/1,215,877.33
  6. Step 6: Final answer
    x = 927,409.96

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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.