Home / 1,205,305.11-1,807,905.83-363,831.75

Finding the Fourth Proportional to 1,205,305.11, 1,807,905.83 and 363,831.75

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Solution

The fourth proportional to 1,205,305.11, 1,807,905.83 and 363,831.75 is: 545,731.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,205,305.11 : 1,807,905.83 = 363,831.75 : x
  2. Step 2: Convert to fraction form
    1,205,305.11/1,807,905.83 = 363,831.75/x
  3. Step 3: Cross multiply
    1,205,305.11x = 1,807,905.83 × 363,831.75
  4. Step 4: Simplify right side
    1,205,305.11x = 657,773,540,144.94
  5. Step 5: Solve for x
    x = 657,773,540,144.94/1,205,305.11
  6. Step 6: Final answer
    x = 545,731.98

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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.