Home / 1,311,672.31-1,810,083.49-714,945.08

Finding the Fourth Proportional to 1,311,672.31, 1,810,083.49 and 714,945.08

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Solution

The fourth proportional to 1,311,672.31, 1,810,083.49 and 714,945.08 is: 986,610.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,311,672.31 : 1,810,083.49 = 714,945.08 : x
  2. Step 2: Convert to fraction form
    1,311,672.31/1,810,083.49 = 714,945.08/x
  3. Step 3: Cross multiply
    1,311,672.31x = 1,810,083.49 × 714,945.08
  4. Step 4: Simplify right side
    1,311,672.31x = 1,294,110,288,302.58
  5. Step 5: Solve for x
    x = 1,294,110,288,302.58/1,311,672.31
  6. Step 6: Final answer
    x = 986,610.97

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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.