Home / 1,511,989.75-2,086,544.93-832,926.25

Finding the Fourth Proportional to 1,511,989.75, 2,086,544.93 and 832,926.25

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Solution

The fourth proportional to 1,511,989.75, 2,086,544.93 and 832,926.25 is: 1,149,437.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,511,989.75 : 2,086,544.93 = 832,926.25 : x
  2. Step 2: Convert to fraction form
    1,511,989.75/2,086,544.93 = 832,926.25/x
  3. Step 3: Cross multiply
    1,511,989.75x = 2,086,544.93 × 832,926.25
  4. Step 4: Simplify right side
    1,511,989.75x = 1,737,938,044,001.41
  5. Step 5: Solve for x
    x = 1,737,938,044,001.41/1,511,989.75
  6. Step 6: Final answer
    x = 1,149,437.72

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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.