Home / 1,109,425.22-1,530,742.52-765,151.10

Finding the Fourth Proportional to 1,109,425.22, 1,530,742.52 and 765,151.10

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Solution

The fourth proportional to 1,109,425.22, 1,530,742.52 and 765,151.10 is: 1,055,726.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,109,425.22 : 1,530,742.52 = 765,151.10 : x
  2. Step 2: Convert to fraction form
    1,109,425.22/1,530,742.52 = 765,151.10/x
  3. Step 3: Cross multiply
    1,109,425.22x = 1,530,742.52 × 765,151.10
  4. Step 4: Simplify right side
    1,109,425.22x = 1,171,249,322,994.77
  5. Step 5: Solve for x
    x = 1,171,249,322,994.77/1,109,425.22
  6. Step 6: Final answer
    x = 1,055,726.25

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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.