Home / 1,423,963.50-2,136,295.19-426,691.50

Finding the Fourth Proportional to 1,423,963.50, 2,136,295.19 and 426,691.50

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Solution

The fourth proportional to 1,423,963.50, 2,136,295.19 and 426,691.50 is: 640,142.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,423,963.50 : 2,136,295.19 = 426,691.50 : x
  2. Step 2: Convert to fraction form
    1,423,963.50/2,136,295.19 = 426,691.50/x
  3. Step 3: Cross multiply
    1,423,963.50x = 2,136,295.19 × 426,691.50
  4. Step 4: Simplify right side
    1,423,963.50x = 911,538,996,930.43
  5. Step 5: Solve for x
    x = 911,538,996,930.43/1,423,963.50
  6. Step 6: Final answer
    x = 640,142.11

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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.