Home / 1,343,366.20-2,012,424.90-809,300.80

Finding the Fourth Proportional to 1,343,366.20, 2,012,424.90 and 809,300.80

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Solution

The fourth proportional to 1,343,366.20, 2,012,424.90 and 809,300.80 is: 1,212,370.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,343,366.20 : 2,012,424.90 = 809,300.80 : x
  2. Step 2: Convert to fraction form
    1,343,366.20/2,012,424.90 = 809,300.80/x
  3. Step 3: Cross multiply
    1,343,366.20x = 2,012,424.90 × 809,300.80
  4. Step 4: Simplify right side
    1,343,366.20x = 1,628,657,081,509.92
  5. Step 5: Solve for x
    x = 1,628,657,081,509.92/1,343,366.20
  6. Step 6: Final answer
    x = 1,212,370.15

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.