Home / 1,423,964.25-2,136,296.31-426,692.25

Finding the Fourth Proportional to 1,423,964.25, 2,136,296.31 and 426,692.25

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Solution

The fourth proportional to 1,423,964.25, 2,136,296.31 and 426,692.25 is: 640,143.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,423,964.25 : 2,136,296.31 = 426,692.25 : x
  2. Step 2: Convert to fraction form
    1,423,964.25/2,136,296.31 = 426,692.25/x
  3. Step 3: Cross multiply
    1,423,964.25x = 2,136,296.31 × 426,692.25
  4. Step 4: Simplify right side
    1,423,964.25x = 911,541,079,180.60
  5. Step 5: Solve for x
    x = 911,541,079,180.60/1,423,964.25
  6. Step 6: Final answer
    x = 640,143.23

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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.