Home / 1,149,775.47-1,586,338.97-666,247.32

Finding the Fourth Proportional to 1,149,775.47, 1,586,338.97 and 666,247.32

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Solution

The fourth proportional to 1,149,775.47, 1,586,338.97 and 666,247.32 is: 919,217.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,149,775.47 : 1,586,338.97 = 666,247.32 : x
  2. Step 2: Convert to fraction form
    1,149,775.47/1,586,338.97 = 666,247.32/x
  3. Step 3: Cross multiply
    1,149,775.47x = 1,586,338.97 × 666,247.32
  4. Step 4: Simplify right side
    1,149,775.47x = 1,056,894,084,042.82
  5. Step 5: Solve for x
    x = 1,056,894,084,042.82/1,149,775.47
  6. Step 6: Final answer
    x = 919,217.81

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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.