Home / 948,004.80-1,422,007.20-921,760.80

Finding the Fourth Proportional to 948,004.80, 1,422,007.20 and 921,760.80

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Solution

The fourth proportional to 948,004.80, 1,422,007.20 and 921,760.80 is: 1,382,641.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    948,004.80 : 1,422,007.20 = 921,760.80 : x
  2. Step 2: Convert to fraction form
    948,004.80/1,422,007.20 = 921,760.80/x
  3. Step 3: Cross multiply
    948,004.80x = 1,422,007.20 × 921,760.80
  4. Step 4: Simplify right side
    948,004.80x = 1,310,750,494,277.76
  5. Step 5: Solve for x
    x = 1,310,750,494,277.76/948,004.80
  6. Step 6: Final answer
    x = 1,382,641.20

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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.