Home / 963,756.40-1,445,634.60-809,791.60

Finding the Fourth Proportional to 963,756.40, 1,445,634.60 and 809,791.60

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Solution

The fourth proportional to 963,756.40, 1,445,634.60 and 809,791.60 is: 1,214,687.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    963,756.40 : 1,445,634.60 = 809,791.60 : x
  2. Step 2: Convert to fraction form
    963,756.40/1,445,634.60 = 809,791.60/x
  3. Step 3: Cross multiply
    963,756.40x = 1,445,634.60 × 809,791.60
  4. Step 4: Simplify right side
    963,756.40x = 1,170,662,755,749.36
  5. Step 5: Solve for x
    x = 1,170,662,755,749.36/963,756.40
  6. Step 6: Final answer
    x = 1,214,687.40

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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.