Home / 1,322,165.97-1,983,193.52-423,587.81

Finding the Fourth Proportional to 1,322,165.97, 1,983,193.52 and 423,587.81

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Solution

The fourth proportional to 1,322,165.97, 1,983,193.52 and 423,587.81 is: 635,363.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,322,165.97 : 1,983,193.52 = 423,587.81 : x
  2. Step 2: Convert to fraction form
    1,322,165.97/1,983,193.52 = 423,587.81/x
  3. Step 3: Cross multiply
    1,322,165.97x = 1,983,193.52 × 423,587.81
  4. Step 4: Simplify right side
    1,322,165.97x = 840,056,602,783.04
  5. Step 5: Solve for x
    x = 840,056,602,783.04/1,322,165.97
  6. Step 6: Final answer
    x = 635,363.96

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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.