Home / 1,066,097.04-1,471,628.70-721,764.60

Finding the Fourth Proportional to 1,066,097.04, 1,471,628.70 and 721,764.60

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Solution

The fourth proportional to 1,066,097.04, 1,471,628.70 and 721,764.60 is: 996,315.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,066,097.04 : 1,471,628.70 = 721,764.60 : x
  2. Step 2: Convert to fraction form
    1,066,097.04/1,471,628.70 = 721,764.60/x
  3. Step 3: Cross multiply
    1,066,097.04x = 1,471,628.70 × 721,764.60
  4. Step 4: Simplify right side
    1,066,097.04x = 1,062,169,500,004.02
  5. Step 5: Solve for x
    x = 1,062,169,500,004.02/1,066,097.04
  6. Step 6: Final answer
    x = 996,315.96

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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.