Home / 1,689,298.67-2,331,269.81-964,131.85

Finding the Fourth Proportional to 1,689,298.67, 2,331,269.81 and 964,131.85

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Solution

The fourth proportional to 1,689,298.67, 2,331,269.81 and 964,131.85 is: 1,330,523.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,689,298.67 : 2,331,269.81 = 964,131.85 : x
  2. Step 2: Convert to fraction form
    1,689,298.67/2,331,269.81 = 964,131.85/x
  3. Step 3: Cross multiply
    1,689,298.67x = 2,331,269.81 × 964,131.85
  4. Step 4: Simplify right side
    1,689,298.67x = 2,247,651,473,154.35
  5. Step 5: Solve for x
    x = 2,247,651,473,154.35/1,689,298.67
  6. Step 6: Final answer
    x = 1,330,523.43

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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.