Home / 1,689,856.92-2,332,219.50-964,538.37

Finding the Fourth Proportional to 1,689,856.92, 2,332,219.50 and 964,538.37

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Solution

The fourth proportional to 1,689,856.92, 2,332,219.50 and 964,538.37 is: 1,331,186.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,689,856.92 : 2,332,219.50 = 964,538.37 : x
  2. Step 2: Convert to fraction form
    1,689,856.92/2,332,219.50 = 964,538.37/x
  3. Step 3: Cross multiply
    1,689,856.92x = 2,332,219.50 × 964,538.37
  4. Step 4: Simplify right side
    1,689,856.92x = 2,249,515,195,012.22
  5. Step 5: Solve for x
    x = 2,249,515,195,012.22/1,689,856.92
  6. Step 6: Final answer
    x = 1,331,186.78

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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.