Home / 995,807.58-1,493,712.29-426,819.45

Finding the Fourth Proportional to 995,807.58, 1,493,712.29 and 426,819.45

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Solution

The fourth proportional to 995,807.58, 1,493,712.29 and 426,819.45 is: 640,229.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    995,807.58 : 1,493,712.29 = 426,819.45 : x
  2. Step 2: Convert to fraction form
    995,807.58/1,493,712.29 = 426,819.45/x
  3. Step 3: Cross multiply
    995,807.58x = 1,493,712.29 × 426,819.45
  4. Step 4: Simplify right side
    995,807.58x = 637,545,455,941.94
  5. Step 5: Solve for x
    x = 637,545,455,941.94/995,807.58
  6. Step 6: Final answer
    x = 640,229.57

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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.