Home / 1,180,012.60-1,627,827.88-744,969.12

Finding the Fourth Proportional to 1,180,012.60, 1,627,827.88 and 744,969.12

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Solution

The fourth proportional to 1,180,012.60, 1,627,827.88 and 744,969.12 is: 1,027,685.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,180,012.60 : 1,627,827.88 = 744,969.12 : x
  2. Step 2: Convert to fraction form
    1,180,012.60/1,627,827.88 = 744,969.12/x
  3. Step 3: Cross multiply
    1,180,012.60x = 1,627,827.88 × 744,969.12
  4. Step 4: Simplify right side
    1,180,012.60x = 1,212,681,503,275.07
  5. Step 5: Solve for x
    x = 1,212,681,503,275.07/1,180,012.60
  6. Step 6: Final answer
    x = 1,027,685.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.