Home / 1,689,049.71-2,331,056.13-964,007.22

Finding the Fourth Proportional to 1,689,049.71, 2,331,056.13 and 964,007.22

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Solution

The fourth proportional to 1,689,049.71, 2,331,056.13 and 964,007.22 is: 1,330,425.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,689,049.71 : 2,331,056.13 = 964,007.22 : x
  2. Step 2: Convert to fraction form
    1,689,049.71/2,331,056.13 = 964,007.22/x
  3. Step 3: Cross multiply
    1,689,049.71x = 2,331,056.13 × 964,007.22
  4. Step 4: Simplify right side
    1,689,049.71x = 2,247,154,939,545.26
  5. Step 5: Solve for x
    x = 2,247,154,939,545.26/1,689,049.71
  6. Step 6: Final answer
    x = 1,330,425.58

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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.