Home / 1,100,721.22-1,518,350.16-692,175.04

Finding the Fourth Proportional to 1,100,721.22, 1,518,350.16 and 692,175.04

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Solution

The fourth proportional to 1,100,721.22, 1,518,350.16 and 692,175.04 is: 954,795.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,100,721.22 : 1,518,350.16 = 692,175.04 : x
  2. Step 2: Convert to fraction form
    1,100,721.22/1,518,350.16 = 692,175.04/x
  3. Step 3: Cross multiply
    1,100,721.22x = 1,518,350.16 × 692,175.04
  4. Step 4: Simplify right side
    1,100,721.22x = 1,050,964,081,531.79
  5. Step 5: Solve for x
    x = 1,050,964,081,531.79/1,100,721.22
  6. Step 6: Final answer
    x = 954,795.88

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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.