Home / 1,121,435.39-1,682,176.98-401,824.10

Finding the Fourth Proportional to 1,121,435.39, 1,682,176.98 and 401,824.10

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Solution

The fourth proportional to 1,121,435.39, 1,682,176.98 and 401,824.10 is: 602,744.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,121,435.39 : 1,682,176.98 = 401,824.10 : x
  2. Step 2: Convert to fraction form
    1,121,435.39/1,682,176.98 = 401,824.10/x
  3. Step 3: Cross multiply
    1,121,435.39x = 1,682,176.98 × 401,824.10
  4. Step 4: Simplify right side
    1,121,435.39x = 675,939,251,029.22
  5. Step 5: Solve for x
    x = 675,939,251,029.22/1,121,435.39
  6. Step 6: Final answer
    x = 602,744.71

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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.