Home / 948,280.80-1,422,421.20-942,375.90

Finding the Fourth Proportional to 948,280.80, 1,422,421.20 and 942,375.90

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Solution

The fourth proportional to 948,280.80, 1,422,421.20 and 942,375.90 is: 1,413,563.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    948,280.80 : 1,422,421.20 = 942,375.90 : x
  2. Step 2: Convert to fraction form
    948,280.80/1,422,421.20 = 942,375.90/x
  3. Step 3: Cross multiply
    948,280.80x = 1,422,421.20 × 942,375.90
  4. Step 4: Simplify right side
    948,280.80x = 1,340,455,458,529.08
  5. Step 5: Solve for x
    x = 1,340,455,458,529.08/948,280.80
  6. Step 6: Final answer
    x = 1,413,563.85

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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.