Home / 1,066,091.04-1,471,620.42-721,758.60

Finding the Fourth Proportional to 1,066,091.04, 1,471,620.42 and 721,758.60

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Solution

The fourth proportional to 1,066,091.04, 1,471,620.42 and 721,758.60 is: 996,307.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,066,091.04 : 1,471,620.42 = 721,758.60 : x
  2. Step 2: Convert to fraction form
    1,066,091.04/1,471,620.42 = 721,758.60/x
  3. Step 3: Cross multiply
    1,066,091.04x = 1,471,620.42 × 721,758.60
  4. Step 4: Simplify right side
    1,066,091.04x = 1,062,154,694,070.61
  5. Step 5: Solve for x
    x = 1,062,154,694,070.61/1,066,091.04
  6. Step 6: Final answer
    x = 996,307.68

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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.