Home / 995,455.90-1,493,375.85-426,828.70

Finding the Fourth Proportional to 995,455.90, 1,493,375.85 and 426,828.70

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Solution

The fourth proportional to 995,455.90, 1,493,375.85 and 426,828.70 is: 640,325.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    995,455.90 : 1,493,375.85 = 426,828.70 : x
  2. Step 2: Convert to fraction form
    995,455.90/1,493,375.85 = 426,828.70/x
  3. Step 3: Cross multiply
    995,455.90x = 1,493,375.85 × 426,828.70
  4. Step 4: Simplify right side
    995,455.90x = 637,415,672,666.90
  5. Step 5: Solve for x
    x = 637,415,672,666.90/995,455.90
  6. Step 6: Final answer
    x = 640,325.38

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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.