Home / 2,487,705.35-3,731,578.78-690,728.95

Finding the Fourth Proportional to 2,487,705.35, 3,731,578.78 and 690,728.95

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Solution

The fourth proportional to 2,487,705.35, 3,731,578.78 and 690,728.95 is: 1,036,099.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,487,705.35 : 3,731,578.78 = 690,728.95 : x
  2. Step 2: Convert to fraction form
    2,487,705.35/3,731,578.78 = 690,728.95/x
  3. Step 3: Cross multiply
    2,487,705.35x = 3,731,578.78 × 690,728.95
  4. Step 4: Simplify right side
    2,487,705.35x = 2,577,509,481,495.91
  5. Step 5: Solve for x
    x = 2,577,509,481,495.91/2,487,705.35
  6. Step 6: Final answer
    x = 1,036,099.19

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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.