Home / 948,893.20-1,423,339.80-907,939.60

Finding the Fourth Proportional to 948,893.20, 1,423,339.80 and 907,939.60

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Solution

The fourth proportional to 948,893.20, 1,423,339.80 and 907,939.60 is: 1,361,909.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    948,893.20 : 1,423,339.80 = 907,939.60 : x
  2. Step 2: Convert to fraction form
    948,893.20/1,423,339.80 = 907,939.60/x
  3. Step 3: Cross multiply
    948,893.20x = 1,423,339.80 × 907,939.60
  4. Step 4: Simplify right side
    948,893.20x = 1,292,306,568,676.08
  5. Step 5: Solve for x
    x = 1,292,306,568,676.08/948,893.20
  6. Step 6: Final answer
    x = 1,361,909.40

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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.