Home / 1,147,456.80-1,721,530.80-615,232.80

Finding the Fourth Proportional to 1,147,456.80, 1,721,530.80 and 615,232.80

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Solution

The fourth proportional to 1,147,456.80, 1,721,530.80 and 615,232.80 is: 923,034.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,147,456.80 : 1,721,530.80 = 615,232.80 : x
  2. Step 2: Convert to fraction form
    1,147,456.80/1,721,530.80 = 615,232.80/x
  3. Step 3: Cross multiply
    1,147,456.80x = 1,721,530.80 × 615,232.80
  4. Step 4: Simplify right side
    1,147,456.80x = 1,059,142,214,370.24
  5. Step 5: Solve for x
    x = 1,059,142,214,370.24/1,147,456.80
  6. Step 6: Final answer
    x = 923,034.50

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.