Home / 995,934.78-1,493,899.20-426,947.04

Finding the Fourth Proportional to 995,934.78, 1,493,899.20 and 426,947.04

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Solution

The fourth proportional to 995,934.78, 1,493,899.20 and 426,947.04 is: 640,419.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    995,934.78 : 1,493,899.20 = 426,947.04 : x
  2. Step 2: Convert to fraction form
    995,934.78/1,493,899.20 = 426,947.04/x
  3. Step 3: Cross multiply
    995,934.78x = 1,493,899.20 × 426,947.04
  4. Step 4: Simplify right side
    995,934.78x = 637,815,841,498.37
  5. Step 5: Solve for x
    x = 637,815,841,498.37/995,934.78
  6. Step 6: Final answer
    x = 640,419.29

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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.