Home / 1,322,457.23-1,983,872.66-423,688.73

Finding the Fourth Proportional to 1,322,457.23, 1,983,872.66 and 423,688.73

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Solution

The fourth proportional to 1,322,457.23, 1,983,872.66 and 423,688.73 is: 635,592.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,322,457.23 : 1,983,872.66 = 423,688.73 : x
  2. Step 2: Convert to fraction form
    1,322,457.23/1,983,872.66 = 423,688.73/x
  3. Step 3: Cross multiply
    1,322,457.23x = 1,983,872.66 × 423,688.73
  4. Step 4: Simplify right side
    1,322,457.23x = 840,544,475,759.32
  5. Step 5: Solve for x
    x = 840,544,475,759.32/1,322,457.23
  6. Step 6: Final answer
    x = 635,592.94

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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.