Home / 923,419.28-1,271,476.32-787,147.76

Finding the Fourth Proportional to 923,419.28, 1,271,476.32 and 787,147.76

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Solution

The fourth proportional to 923,419.28, 1,271,476.32 and 787,147.76 is: 1,083,841.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    923,419.28 : 1,271,476.32 = 787,147.76 : x
  2. Step 2: Convert to fraction form
    923,419.28/1,271,476.32 = 787,147.76/x
  3. Step 3: Cross multiply
    923,419.28x = 1,271,476.32 × 787,147.76
  4. Step 4: Simplify right side
    923,419.28x = 1,000,839,737,181.04
  5. Step 5: Solve for x
    x = 1,000,839,737,181.04/923,419.28
  6. Step 6: Final answer
    x = 1,083,841.07

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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.