Home / 1,689,299.67-2,331,271.19-964,132.85

Finding the Fourth Proportional to 1,689,299.67, 2,331,271.19 and 964,132.85

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Solution

The fourth proportional to 1,689,299.67, 2,331,271.19 and 964,132.85 is: 1,330,524.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,689,299.67 : 2,331,271.19 = 964,132.85 : x
  2. Step 2: Convert to fraction form
    1,689,299.67/2,331,271.19 = 964,132.85/x
  3. Step 3: Cross multiply
    1,689,299.67x = 2,331,271.19 × 964,132.85
  4. Step 4: Simplify right side
    1,689,299.67x = 2,247,655,136,537.59
  5. Step 5: Solve for x
    x = 2,247,655,136,537.59/1,689,299.67
  6. Step 6: Final answer
    x = 1,330,524.82

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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.