Home / 1,522,409.63-2,100,408-868,565.94

Finding the Fourth Proportional to 1,522,409.63, 2,100,408 and 868,565.94

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Solution

The fourth proportional to 1,522,409.63, 2,100,408 and 868,565.94 is: 1,198,325.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,522,409.63 : 2,100,408 = 868,565.94 : x
  2. Step 2: Convert to fraction form
    1,522,409.63/2,100,408 = 868,565.94/x
  3. Step 3: Cross multiply
    1,522,409.63x = 2,100,408 × 868,565.94
  4. Step 4: Simplify right side
    1,522,409.63x = 1,824,342,838,401.48
  5. Step 5: Solve for x
    x = 1,824,342,838,401.48/1,522,409.63
  6. Step 6: Final answer
    x = 1,198,325.87

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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.