Home / 1,423,964-2,136,295.94-426,692

Finding the Fourth Proportional to 1,423,964, 2,136,295.94 and 426,692

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Solution

The fourth proportional to 1,423,964, 2,136,295.94 and 426,692 is: 640,142.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,423,964 : 2,136,295.94 = 426,692 : x
  2. Step 2: Convert to fraction form
    1,423,964/2,136,295.94 = 426,692/x
  3. Step 3: Cross multiply
    1,423,964x = 2,136,295.94 × 426,692
  4. Step 4: Simplify right side
    1,423,964x = 911,540,385,097.02
  5. Step 5: Solve for x
    x = 911,540,385,097.02/1,423,964
  6. Step 6: Final answer
    x = 640,142.86

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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.