Home / 1,287,481.23-1,776,641.31-804,017.34

Finding the Fourth Proportional to 1,287,481.23, 1,776,641.31 and 804,017.34

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Solution

The fourth proportional to 1,287,481.23, 1,776,641.31 and 804,017.34 is: 1,109,492.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,287,481.23 : 1,776,641.31 = 804,017.34 : x
  2. Step 2: Convert to fraction form
    1,287,481.23/1,776,641.31 = 804,017.34/x
  3. Step 3: Cross multiply
    1,287,481.23x = 1,776,641.31 × 804,017.34
  4. Step 4: Simplify right side
    1,287,481.23x = 1,428,450,420,200.32
  5. Step 5: Solve for x
    x = 1,428,450,420,200.32/1,287,481.23
  6. Step 6: Final answer
    x = 1,109,492.23

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.