Home / 1,603,122.32-2,212,312.22-868,084.68

Finding the Fourth Proportional to 1,603,122.32, 2,212,312.22 and 868,084.68

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Solution

The fourth proportional to 1,603,122.32, 2,212,312.22 and 868,084.68 is: 1,197,958.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,603,122.32 : 2,212,312.22 = 868,084.68 : x
  2. Step 2: Convert to fraction form
    1,603,122.32/2,212,312.22 = 868,084.68/x
  3. Step 3: Cross multiply
    1,603,122.32x = 2,212,312.22 × 868,084.68
  4. Step 4: Simplify right side
    1,603,122.32x = 1,920,474,345,558.79
  5. Step 5: Solve for x
    x = 1,920,474,345,558.79/1,603,122.32
  6. Step 6: Final answer
    x = 1,197,958.71

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.