Home / 1,689,298.49-2,331,269.56-964,131.66

Finding the Fourth Proportional to 1,689,298.49, 2,331,269.56 and 964,131.66

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Solution

The fourth proportional to 1,689,298.49, 2,331,269.56 and 964,131.66 is: 1,330,523.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,689,298.49 : 2,331,269.56 = 964,131.66 : x
  2. Step 2: Convert to fraction form
    1,689,298.49/2,331,269.56 = 964,131.66/x
  3. Step 3: Cross multiply
    1,689,298.49x = 2,331,269.56 × 964,131.66
  4. Step 4: Simplify right side
    1,689,298.49x = 2,247,650,786,572.19
  5. Step 5: Solve for x
    x = 2,247,650,786,572.19/1,689,298.49
  6. Step 6: Final answer
    x = 1,330,523.18

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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.