Home / 1,325,516.10-1,829,233.05-721,903.62

Finding the Fourth Proportional to 1,325,516.10, 1,829,233.05 and 721,903.62

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Solution

The fourth proportional to 1,325,516.10, 1,829,233.05 and 721,903.62 is: 996,238.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,325,516.10 : 1,829,233.05 = 721,903.62 : x
  2. Step 2: Convert to fraction form
    1,325,516.10/1,829,233.05 = 721,903.62/x
  3. Step 3: Cross multiply
    1,325,516.10x = 1,829,233.05 × 721,903.62
  4. Step 4: Simplify right side
    1,325,516.10x = 1,320,529,960,618.64
  5. Step 5: Solve for x
    x = 1,320,529,960,618.64/1,325,516.10
  6. Step 6: Final answer
    x = 996,238.34

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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.