Home / 1,465,821.80-2,022,956.82-812,607.56

Finding the Fourth Proportional to 1,465,821.80, 2,022,956.82 and 812,607.56

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Solution

The fourth proportional to 1,465,821.80, 2,022,956.82 and 812,607.56 is: 1,121,466.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,465,821.80 : 2,022,956.82 = 812,607.56 : x
  2. Step 2: Convert to fraction form
    1,465,821.80/2,022,956.82 = 812,607.56/x
  3. Step 3: Cross multiply
    1,465,821.80x = 2,022,956.82 × 812,607.56
  4. Step 4: Simplify right side
    1,465,821.80x = 1,643,870,005,485.56
  5. Step 5: Solve for x
    x = 1,643,870,005,485.56/1,465,821.80
  6. Step 6: Final answer
    x = 1,121,466.47

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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.