Home / 923,428.28-1,271,488.60-787,156.76

Finding the Fourth Proportional to 923,428.28, 1,271,488.60 and 787,156.76

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Solution

The fourth proportional to 923,428.28, 1,271,488.60 and 787,156.76 is: 1,083,853.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    923,428.28 : 1,271,488.60 = 787,156.76 : x
  2. Step 2: Convert to fraction form
    923,428.28/1,271,488.60 = 787,156.76/x
  3. Step 3: Cross multiply
    923,428.28x = 1,271,488.60 × 787,156.76
  4. Step 4: Simplify right side
    923,428.28x = 1,000,860,846,752.94
  5. Step 5: Solve for x
    x = 1,000,860,846,752.94/923,428.28
  6. Step 6: Final answer
    x = 1,083,853.36

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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.