Home / 1,325,568.16-1,829,287.68-721,956.16

Finding the Fourth Proportional to 1,325,568.16, 1,829,287.68 and 721,956.16

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Solution

The fourth proportional to 1,325,568.16, 1,829,287.68 and 721,956.16 is: 996,301.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,325,568.16 : 1,829,287.68 = 721,956.16 : x
  2. Step 2: Convert to fraction form
    1,325,568.16/1,829,287.68 = 721,956.16/x
  3. Step 3: Cross multiply
    1,325,568.16x = 1,829,287.68 × 721,956.16
  4. Step 4: Simplify right side
    1,325,568.16x = 1,320,665,508,988.11
  5. Step 5: Solve for x
    x = 1,320,665,508,988.11/1,325,568.16
  6. Step 6: Final answer
    x = 996,301.47

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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.