Home / 1,055,112.42-1,455,251.72-908,187.32

Finding the Fourth Proportional to 1,055,112.42, 1,455,251.72 and 908,187.32

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Solution

The fourth proportional to 1,055,112.42, 1,455,251.72 and 908,187.32 is: 1,252,606.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,055,112.42 : 1,455,251.72 = 908,187.32 : x
  2. Step 2: Convert to fraction form
    1,055,112.42/1,455,251.72 = 908,187.32/x
  3. Step 3: Cross multiply
    1,055,112.42x = 1,455,251.72 × 908,187.32
  4. Step 4: Simplify right side
    1,055,112.42x = 1,321,641,159,512.19
  5. Step 5: Solve for x
    x = 1,321,641,159,512.19/1,055,112.42
  6. Step 6: Final answer
    x = 1,252,606.96

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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.