Home / 1,728,809.44-2,382,901.56-1,155,640.48

Finding the Fourth Proportional to 1,728,809.44, 2,382,901.56 and 1,155,640.48

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Solution

The fourth proportional to 1,728,809.44, 2,382,901.56 and 1,155,640.48 is: 1,592,875.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,728,809.44 : 2,382,901.56 = 1,155,640.48 : x
  2. Step 2: Convert to fraction form
    1,728,809.44/2,382,901.56 = 1,155,640.48/x
  3. Step 3: Cross multiply
    1,728,809.44x = 2,382,901.56 × 1,155,640.48
  4. Step 4: Simplify right side
    1,728,809.44x = 2,753,777,502,591.15
  5. Step 5: Solve for x
    x = 2,753,777,502,591.15/1,728,809.44
  6. Step 6: Final answer
    x = 1,592,875.10

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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.