Home / 1,679,115.12-2,317,227.44-915,218.16

Finding the Fourth Proportional to 1,679,115.12, 2,317,227.44 and 915,218.16

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Solution

The fourth proportional to 1,679,115.12, 2,317,227.44 and 915,218.16 is: 1,263,027.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,679,115.12 : 2,317,227.44 = 915,218.16 : x
  2. Step 2: Convert to fraction form
    1,679,115.12/2,317,227.44 = 915,218.16/x
  3. Step 3: Cross multiply
    1,679,115.12x = 2,317,227.44 × 915,218.16
  4. Step 4: Simplify right side
    1,679,115.12x = 2,120,768,633,938.31
  5. Step 5: Solve for x
    x = 2,120,768,633,938.31/1,679,115.12
  6. Step 6: Final answer
    x = 1,263,027.54

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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.