Home / 1,521,980.46-2,100,225.28-868,453.35

Finding the Fourth Proportional to 1,521,980.46, 2,100,225.28 and 868,453.35

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Solution

The fourth proportional to 1,521,980.46, 2,100,225.28 and 868,453.35 is: 1,198,404.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,521,980.46 : 2,100,225.28 = 868,453.35 : x
  2. Step 2: Convert to fraction form
    1,521,980.46/2,100,225.28 = 868,453.35/x
  3. Step 3: Cross multiply
    1,521,980.46x = 2,100,225.28 × 868,453.35
  4. Step 4: Simplify right side
    1,521,980.46x = 1,823,947,669,669.56
  5. Step 5: Solve for x
    x = 1,823,947,669,669.56/1,521,980.46
  6. Step 6: Final answer
    x = 1,198,404.13

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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.