Home / 1,451,972.19-2,003,639.22-807,378.54

Finding the Fourth Proportional to 1,451,972.19, 2,003,639.22 and 807,378.54

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Solution

The fourth proportional to 1,451,972.19, 2,003,639.22 and 807,378.54 is: 1,114,136.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,451,972.19 : 2,003,639.22 = 807,378.54 : x
  2. Step 2: Convert to fraction form
    1,451,972.19/2,003,639.22 = 807,378.54/x
  3. Step 3: Cross multiply
    1,451,972.19x = 2,003,639.22 × 807,378.54
  4. Step 4: Simplify right side
    1,451,972.19x = 1,617,695,308,130.34
  5. Step 5: Solve for x
    x = 1,617,695,308,130.34/1,451,972.19
  6. Step 6: Final answer
    x = 1,114,136.56

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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.