Home / 994,701.70-1,492,493.58-521,274.52

Finding the Fourth Proportional to 994,701.70, 1,492,493.58 and 521,274.52

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Solution

The fourth proportional to 994,701.70, 1,492,493.58 and 521,274.52 is: 782,142.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    994,701.70 : 1,492,493.58 = 521,274.52 : x
  2. Step 2: Convert to fraction form
    994,701.70/1,492,493.58 = 521,274.52/x
  3. Step 3: Cross multiply
    994,701.70x = 1,492,493.58 × 521,274.52
  4. Step 4: Simplify right side
    994,701.70x = 777,998,874,517.58
  5. Step 5: Solve for x
    x = 777,998,874,517.58/994,701.70
  6. Step 6: Final answer
    x = 782,142.90

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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.