Home / 1,609,756.82-2,220,979.97-964,941.74

Finding the Fourth Proportional to 1,609,756.82, 2,220,979.97 and 964,941.74

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Solution

The fourth proportional to 1,609,756.82, 2,220,979.97 and 964,941.74 is: 1,331,329.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,609,756.82 : 2,220,979.97 = 964,941.74 : x
  2. Step 2: Convert to fraction form
    1,609,756.82/2,220,979.97 = 964,941.74/x
  3. Step 3: Cross multiply
    1,609,756.82x = 2,220,979.97 × 964,941.74
  4. Step 4: Simplify right side
    1,609,756.82x = 2,143,116,284,721.75
  5. Step 5: Solve for x
    x = 2,143,116,284,721.75/1,609,756.82
  6. Step 6: Final answer
    x = 1,331,329.21

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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.