Home / 1,689,135.28-2,331,044.58-963,968.56

Finding the Fourth Proportional to 1,689,135.28, 2,331,044.58 and 963,968.56

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Solution

The fourth proportional to 1,689,135.28, 2,331,044.58 and 963,968.56 is: 1,330,298.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,689,135.28 : 2,331,044.58 = 963,968.56 : x
  2. Step 2: Convert to fraction form
    1,689,135.28/2,331,044.58 = 963,968.56/x
  3. Step 3: Cross multiply
    1,689,135.28x = 2,331,044.58 × 963,968.56
  4. Step 4: Simplify right side
    1,689,135.28x = 2,247,053,687,078.40
  5. Step 5: Solve for x
    x = 2,247,053,687,078.40/1,689,135.28
  6. Step 6: Final answer
    x = 1,330,298.24

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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.