Home / 1,690,498.62-2,535,682.32-679,317.30

Finding the Fourth Proportional to 1,690,498.62, 2,535,682.32 and 679,317.30

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Solution

The fourth proportional to 1,690,498.62, 2,535,682.32 and 679,317.30 is: 1,018,949.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,690,498.62 : 2,535,682.32 = 679,317.30 : x
  2. Step 2: Convert to fraction form
    1,690,498.62/2,535,682.32 = 679,317.30/x
  3. Step 3: Cross multiply
    1,690,498.62x = 2,535,682.32 × 679,317.30
  4. Step 4: Simplify right side
    1,690,498.62x = 1,722,532,867,280.14
  5. Step 5: Solve for x
    x = 1,722,532,867,280.14/1,690,498.62
  6. Step 6: Final answer
    x = 1,018,949.58

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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.