Home / 994,685.67-1,492,469.55-521,258.49

Finding the Fourth Proportional to 994,685.67, 1,492,469.55 and 521,258.49

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Solution

The fourth proportional to 994,685.67, 1,492,469.55 and 521,258.49 is: 782,118.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    994,685.67 : 1,492,469.55 = 521,258.49 : x
  2. Step 2: Convert to fraction form
    994,685.67/1,492,469.55 = 521,258.49/x
  3. Step 3: Cross multiply
    994,685.67x = 1,492,469.55 × 521,258.49
  4. Step 4: Simplify right side
    994,685.67x = 777,962,424,003.98
  5. Step 5: Solve for x
    x = 777,962,424,003.98/994,685.67
  6. Step 6: Final answer
    x = 782,118.86

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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.