Home / 1,539,987.27-2,125,196.54-851,623.56

Finding the Fourth Proportional to 1,539,987.27, 2,125,196.54 and 851,623.56

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Solution

The fourth proportional to 1,539,987.27, 2,125,196.54 and 851,623.56 is: 1,175,248.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,539,987.27 : 2,125,196.54 = 851,623.56 : x
  2. Step 2: Convert to fraction form
    1,539,987.27/2,125,196.54 = 851,623.56/x
  3. Step 3: Cross multiply
    1,539,987.27x = 2,125,196.54 × 851,623.56
  4. Step 4: Simplify right side
    1,539,987.27x = 1,809,867,438,836.36
  5. Step 5: Solve for x
    x = 1,809,867,438,836.36/1,539,987.27
  6. Step 6: Final answer
    x = 1,175,248.31

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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.