Home / 1,297,691.10-1,946,682.45-399,125.70

Finding the Fourth Proportional to 1,297,691.10, 1,946,682.45 and 399,125.70

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Solution

The fourth proportional to 1,297,691.10, 1,946,682.45 and 399,125.70 is: 598,733.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,297,691.10 : 1,946,682.45 = 399,125.70 : x
  2. Step 2: Convert to fraction form
    1,297,691.10/1,946,682.45 = 399,125.70/x
  3. Step 3: Cross multiply
    1,297,691.10x = 1,946,682.45 × 399,125.70
  4. Step 4: Simplify right side
    1,297,691.10x = 776,970,995,533.97
  5. Step 5: Solve for x
    x = 776,970,995,533.97/1,297,691.10
  6. Step 6: Final answer
    x = 598,733.39

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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.