Home / 1,421,818.57-1,962,122.69-809,962.27

Finding the Fourth Proportional to 1,421,818.57, 1,962,122.69 and 809,962.27

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Solution

The fourth proportional to 1,421,818.57, 1,962,122.69 and 809,962.27 is: 1,117,755.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,421,818.57 : 1,962,122.69 = 809,962.27 : x
  2. Step 2: Convert to fraction form
    1,421,818.57/1,962,122.69 = 809,962.27/x
  3. Step 3: Cross multiply
    1,421,818.57x = 1,962,122.69 × 809,962.27
  4. Step 4: Simplify right side
    1,421,818.57x = 1,589,245,340,574.47
  5. Step 5: Solve for x
    x = 1,589,245,340,574.47/1,421,818.57
  6. Step 6: Final answer
    x = 1,117,755.37

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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.