Home / 1,121,947.26-1,681,674.33-854,827.14

Finding the Fourth Proportional to 1,121,947.26, 1,681,674.33 and 854,827.14

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Solution

The fourth proportional to 1,121,947.26, 1,681,674.33 and 854,827.14 is: 1,281,290.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,121,947.26 : 1,681,674.33 = 854,827.14 : x
  2. Step 2: Convert to fraction form
    1,121,947.26/1,681,674.33 = 854,827.14/x
  3. Step 3: Cross multiply
    1,121,947.26x = 1,681,674.33 × 854,827.14
  4. Step 4: Simplify right side
    1,121,947.26x = 1,437,540,857,925.32
  5. Step 5: Solve for x
    x = 1,437,540,857,925.32/1,121,947.26
  6. Step 6: Final answer
    x = 1,281,290.94

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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.