Home / 1,231,654.75-1,699,585.59-687,758.08

Finding the Fourth Proportional to 1,231,654.75, 1,699,585.59 and 687,758.08

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Solution

The fourth proportional to 1,231,654.75, 1,699,585.59 and 687,758.08 is: 949,051.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,231,654.75 : 1,699,585.59 = 687,758.08 : x
  2. Step 2: Convert to fraction form
    1,231,654.75/1,699,585.59 = 687,758.08/x
  3. Step 3: Cross multiply
    1,231,654.75x = 1,699,585.59 × 687,758.08
  4. Step 4: Simplify right side
    1,231,654.75x = 1,168,903,713,676.14
  5. Step 5: Solve for x
    x = 1,168,903,713,676.14/1,231,654.75
  6. Step 6: Final answer
    x = 949,051.44

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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.