Home / 995,434.40-1,493,343.60-426,807.20

Finding the Fourth Proportional to 995,434.40, 1,493,343.60 and 426,807.20

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Solution

The fourth proportional to 995,434.40, 1,493,343.60 and 426,807.20 is: 640,293.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    995,434.40 : 1,493,343.60 = 426,807.20 : x
  2. Step 2: Convert to fraction form
    995,434.40/1,493,343.60 = 426,807.20/x
  3. Step 3: Cross multiply
    995,434.40x = 1,493,343.60 × 426,807.20
  4. Step 4: Simplify right side
    995,434.40x = 637,369,800,553.92
  5. Step 5: Solve for x
    x = 637,369,800,553.92/995,434.40
  6. Step 6: Final answer
    x = 640,293.12

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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.