Home / 1,111,885.16-1,667,827.74-270,437.48

Finding the Fourth Proportional to 1,111,885.16, 1,667,827.74 and 270,437.48

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Solution

The fourth proportional to 1,111,885.16, 1,667,827.74 and 270,437.48 is: 405,656.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,111,885.16 : 1,667,827.74 = 270,437.48 : x
  2. Step 2: Convert to fraction form
    1,111,885.16/1,667,827.74 = 270,437.48/x
  3. Step 3: Cross multiply
    1,111,885.16x = 1,667,827.74 × 270,437.48
  4. Step 4: Simplify right side
    1,111,885.16x = 451,043,131,079.70
  5. Step 5: Solve for x
    x = 451,043,131,079.70/1,111,885.16
  6. Step 6: Final answer
    x = 405,656.22

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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.