Home / 1,131,806.67-1,561,897.31-615,560.54

Finding the Fourth Proportional to 1,131,806.67, 1,561,897.31 and 615,560.54

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Solution

The fourth proportional to 1,131,806.67, 1,561,897.31 and 615,560.54 is: 849,475.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,131,806.67 : 1,561,897.31 = 615,560.54 : x
  2. Step 2: Convert to fraction form
    1,131,806.67/1,561,897.31 = 615,560.54/x
  3. Step 3: Cross multiply
    1,131,806.67x = 1,561,897.31 × 615,560.54
  4. Step 4: Simplify right side
    1,131,806.67x = 961,442,346,804.96
  5. Step 5: Solve for x
    x = 961,442,346,804.96/1,131,806.67
  6. Step 6: Final answer
    x = 849,475.77

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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.