Home / 1,690,817.88-2,537,257.14-679,750.20

Finding the Fourth Proportional to 1,690,817.88, 2,537,257.14 and 679,750.20

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Solution

The fourth proportional to 1,690,817.88, 2,537,257.14 and 679,750.20 is: 1,020,039.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,690,817.88 : 2,537,257.14 = 679,750.20 : x
  2. Step 2: Convert to fraction form
    1,690,817.88/2,537,257.14 = 679,750.20/x
  3. Step 3: Cross multiply
    1,690,817.88x = 2,537,257.14 × 679,750.20
  4. Step 4: Simplify right side
    1,690,817.88x = 1,724,701,048,366.43
  5. Step 5: Solve for x
    x = 1,724,701,048,366.43/1,690,817.88
  6. Step 6: Final answer
    x = 1,020,039.51

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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.