Home / 1,055,042.32-1,455,958.74-571,610.80

Finding the Fourth Proportional to 1,055,042.32, 1,455,958.74 and 571,610.80

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Solution

The fourth proportional to 1,055,042.32, 1,455,958.74 and 571,610.80 is: 788,823.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,055,042.32 : 1,455,958.74 = 571,610.80 : x
  2. Step 2: Convert to fraction form
    1,055,042.32/1,455,958.74 = 571,610.80/x
  3. Step 3: Cross multiply
    1,055,042.32x = 1,455,958.74 × 571,610.80
  4. Step 4: Simplify right side
    1,055,042.32x = 832,241,740,138.39
  5. Step 5: Solve for x
    x = 832,241,740,138.39/1,055,042.32
  6. Step 6: Final answer
    x = 788,823.09

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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.