Home / 1,121,368.55-1,682,310.41-322,656.71

Finding the Fourth Proportional to 1,121,368.55, 1,682,310.41 and 322,656.71

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Solution

The fourth proportional to 1,121,368.55, 1,682,310.41 and 322,656.71 is: 484,059.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,121,368.55 : 1,682,310.41 = 322,656.71 : x
  2. Step 2: Convert to fraction form
    1,121,368.55/1,682,310.41 = 322,656.71/x
  3. Step 3: Cross multiply
    1,121,368.55x = 1,682,310.41 × 322,656.71
  4. Step 4: Simplify right side
    1,121,368.55x = 542,808,740,476.07
  5. Step 5: Solve for x
    x = 542,808,740,476.07/1,121,368.55
  6. Step 6: Final answer
    x = 484,059.18

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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.