Home / 1,022,643.28-1,533,964.92-312,671.32

Finding the Fourth Proportional to 1,022,643.28, 1,533,964.92 and 312,671.32

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Solution

The fourth proportional to 1,022,643.28, 1,533,964.92 and 312,671.32 is: 469,006.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,022,643.28 : 1,533,964.92 = 312,671.32 : x
  2. Step 2: Convert to fraction form
    1,022,643.28/1,533,964.92 = 312,671.32/x
  3. Step 3: Cross multiply
    1,022,643.28x = 1,533,964.92 × 312,671.32
  4. Step 4: Simplify right side
    1,022,643.28x = 479,626,836,370.09
  5. Step 5: Solve for x
    x = 479,626,836,370.09/1,022,643.28
  6. Step 6: Final answer
    x = 469,006.98

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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.