Home / 923,426.28-1,271,485.86-787,154.76

Finding the Fourth Proportional to 923,426.28, 1,271,485.86 and 787,154.76

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Solution

The fourth proportional to 923,426.28, 1,271,485.86 and 787,154.76 is: 1,083,850.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    923,426.28 : 1,271,485.86 = 787,154.76 : x
  2. Step 2: Convert to fraction form
    923,426.28/1,271,485.86 = 787,154.76/x
  3. Step 3: Cross multiply
    923,426.28x = 1,271,485.86 × 787,154.76
  4. Step 4: Simplify right side
    923,426.28x = 1,000,856,146,971.69
  5. Step 5: Solve for x
    x = 1,000,856,146,971.69/923,426.28
  6. Step 6: Final answer
    x = 1,083,850.62

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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.