Home / 1,107,335.70-1,661,003.55-265,887.45

Finding the Fourth Proportional to 1,107,335.70, 1,661,003.55 and 265,887.45

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Solution

The fourth proportional to 1,107,335.70, 1,661,003.55 and 265,887.45 is: 398,831.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,107,335.70 : 1,661,003.55 = 265,887.45 : x
  2. Step 2: Convert to fraction form
    1,107,335.70/1,661,003.55 = 265,887.45/x
  3. Step 3: Cross multiply
    1,107,335.70x = 1,661,003.55 × 265,887.45
  4. Step 4: Simplify right side
    1,107,335.70x = 441,639,998,350.45
  5. Step 5: Solve for x
    x = 441,639,998,350.45/1,107,335.70
  6. Step 6: Final answer
    x = 398,831.18

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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.