Home / 1,689,072.28-2,330,957.52-963,905.56

Finding the Fourth Proportional to 1,689,072.28, 2,330,957.52 and 963,905.56

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Solution

The fourth proportional to 1,689,072.28, 2,330,957.52 and 963,905.56 is: 1,330,211.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,689,072.28 : 2,330,957.52 = 963,905.56 : x
  2. Step 2: Convert to fraction form
    1,689,072.28/2,330,957.52 = 963,905.56/x
  3. Step 3: Cross multiply
    1,689,072.28x = 2,330,957.52 × 963,905.56
  4. Step 4: Simplify right side
    1,689,072.28x = 2,246,822,913,651.81
  5. Step 5: Solve for x
    x = 2,246,822,913,651.81/1,689,072.28
  6. Step 6: Final answer
    x = 1,330,211.23

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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.