Home / 1,273,022.55-1,756,717.62-721,775.34

Finding the Fourth Proportional to 1,273,022.55, 1,756,717.62 and 721,775.34

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Solution

The fourth proportional to 1,273,022.55, 1,756,717.62 and 721,775.34 is: 996,019.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,273,022.55 : 1,756,717.62 = 721,775.34 : x
  2. Step 2: Convert to fraction form
    1,273,022.55/1,756,717.62 = 721,775.34/x
  3. Step 3: Cross multiply
    1,273,022.55x = 1,756,717.62 × 721,775.34
  4. Step 4: Simplify right side
    1,273,022.55x = 1,267,955,457,459.49
  5. Step 5: Solve for x
    x = 1,267,955,457,459.49/1,273,022.55
  6. Step 6: Final answer
    x = 996,019.64

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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.