Home / 1,121,941.26-1,681,665.30-854,821.08

Finding the Fourth Proportional to 1,121,941.26, 1,681,665.30 and 854,821.08

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Solution

The fourth proportional to 1,121,941.26, 1,681,665.30 and 854,821.08 is: 1,281,281.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,121,941.26 : 1,681,665.30 = 854,821.08 : x
  2. Step 2: Convert to fraction form
    1,121,941.26/1,681,665.30 = 854,821.08/x
  3. Step 3: Cross multiply
    1,121,941.26x = 1,681,665.30 × 854,821.08
  4. Step 4: Simplify right side
    1,121,941.26x = 1,437,522,947,944.52
  5. Step 5: Solve for x
    x = 1,437,522,947,944.52/1,121,941.26
  6. Step 6: Final answer
    x = 1,281,281.83

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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.