Home / 1,055,405.79-1,455,663.09-663,052.83

Finding the Fourth Proportional to 1,055,405.79, 1,455,663.09 and 663,052.83

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Solution

The fourth proportional to 1,055,405.79, 1,455,663.09 and 663,052.83 is: 914,512.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,055,405.79 : 1,455,663.09 = 663,052.83 : x
  2. Step 2: Convert to fraction form
    1,055,405.79/1,455,663.09 = 663,052.83/x
  3. Step 3: Cross multiply
    1,055,405.79x = 1,455,663.09 × 663,052.83
  4. Step 4: Simplify right side
    1,055,405.79x = 965,181,531,351.05
  5. Step 5: Solve for x
    x = 965,181,531,351.05/1,055,405.79
  6. Step 6: Final answer
    x = 914,512.26

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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.