Home / 1,172,619.48-1,759,187.34-667,418.16

Finding the Fourth Proportional to 1,172,619.48, 1,759,187.34 and 667,418.16

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Solution

The fourth proportional to 1,172,619.48, 1,759,187.34 and 667,418.16 is: 1,001,274.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,172,619.48 : 1,759,187.34 = 667,418.16 : x
  2. Step 2: Convert to fraction form
    1,172,619.48/1,759,187.34 = 667,418.16/x
  3. Step 3: Cross multiply
    1,172,619.48x = 1,759,187.34 × 667,418.16
  4. Step 4: Simplify right side
    1,172,619.48x = 1,174,113,577,558.09
  5. Step 5: Solve for x
    x = 1,174,113,577,558.09/1,172,619.48
  6. Step 6: Final answer
    x = 1,001,274.15

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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.