Home / 966,515.20-1,449,967.20-809,828.80

Finding the Fourth Proportional to 966,515.20, 1,449,967.20 and 809,828.80

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Solution

The fourth proportional to 966,515.20, 1,449,967.20 and 809,828.80 is: 1,214,906.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    966,515.20 : 1,449,967.20 = 809,828.80 : x
  2. Step 2: Convert to fraction form
    966,515.20/1,449,967.20 = 809,828.80/x
  3. Step 3: Cross multiply
    966,515.20x = 1,449,967.20 × 809,828.80
  4. Step 4: Simplify right side
    966,515.20x = 1,174,225,197,615.36
  5. Step 5: Solve for x
    x = 1,174,225,197,615.36/966,515.20
  6. Step 6: Final answer
    x = 1,214,906.08

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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.