Home / 1,236,507.54-1,864,296.96-1,228,831.20

Finding the Fourth Proportional to 1,236,507.54, 1,864,296.96 and 1,228,831.20

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Solution

The fourth proportional to 1,236,507.54, 1,864,296.96 and 1,228,831.20 is: 1,852,723.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,236,507.54 : 1,864,296.96 = 1,228,831.20 : x
  2. Step 2: Convert to fraction form
    1,236,507.54/1,864,296.96 = 1,228,831.20/x
  3. Step 3: Cross multiply
    1,236,507.54x = 1,864,296.96 × 1,228,831.20
  4. Step 4: Simplify right side
    1,236,507.54x = 2,290,906,270,513.15
  5. Step 5: Solve for x
    x = 2,290,906,270,513.15/1,236,507.54
  6. Step 6: Final answer
    x = 1,852,723.25

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.