Home / 1,106,208.68-1,526,113.86-820,432.04

Finding the Fourth Proportional to 1,106,208.68, 1,526,113.86 and 820,432.04

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Solution

The fourth proportional to 1,106,208.68, 1,526,113.86 and 820,432.04 is: 1,131,859.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,106,208.68 : 1,526,113.86 = 820,432.04 : x
  2. Step 2: Convert to fraction form
    1,106,208.68/1,526,113.86 = 820,432.04/x
  3. Step 3: Cross multiply
    1,106,208.68x = 1,526,113.86 × 820,432.04
  4. Step 4: Simplify right side
    1,106,208.68x = 1,252,072,707,432.07
  5. Step 5: Solve for x
    x = 1,252,072,707,432.07/1,106,208.68
  6. Step 6: Final answer
    x = 1,131,859.41

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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.