Home / 1,404,923-2,107,206.74-445,387.92

Finding the Fourth Proportional to 1,404,923, 2,107,206.74 and 445,387.92

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Solution

The fourth proportional to 1,404,923, 2,107,206.74 and 445,387.92 is: 668,025.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,404,923 : 2,107,206.74 = 445,387.92 : x
  2. Step 2: Convert to fraction form
    1,404,923/2,107,206.74 = 445,387.92/x
  3. Step 3: Cross multiply
    1,404,923x = 2,107,206.74 × 445,387.92
  4. Step 4: Simplify right side
    1,404,923x = 938,524,426,938.58
  5. Step 5: Solve for x
    x = 938,524,426,938.58/1,404,923
  6. Step 6: Final answer
    x = 668,025.53

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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.