Home / 1,022,644.28-1,533,966.42-312,672.32

Finding the Fourth Proportional to 1,022,644.28, 1,533,966.42 and 312,672.32

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Solution

The fourth proportional to 1,022,644.28, 1,533,966.42 and 312,672.32 is: 469,008.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,022,644.28 : 1,533,966.42 = 312,672.32 : x
  2. Step 2: Convert to fraction form
    1,022,644.28/1,533,966.42 = 312,672.32/x
  3. Step 3: Cross multiply
    1,022,644.28x = 1,533,966.42 × 312,672.32
  4. Step 4: Simplify right side
    1,022,644.28x = 479,628,839,343.49
  5. Step 5: Solve for x
    x = 479,628,839,343.49/1,022,644.28
  6. Step 6: Final answer
    x = 469,008.48

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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.