Home / 1,122,382.32-1,683,822.25-323,601.53

Finding the Fourth Proportional to 1,122,382.32, 1,683,822.25 and 323,601.53

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Solution

The fourth proportional to 1,122,382.32, 1,683,822.25 and 323,601.53 is: 485,474.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,122,382.32 : 1,683,822.25 = 323,601.53 : x
  2. Step 2: Convert to fraction form
    1,122,382.32/1,683,822.25 = 323,601.53/x
  3. Step 3: Cross multiply
    1,122,382.32x = 1,683,822.25 × 323,601.53
  4. Step 4: Simplify right side
    1,122,382.32x = 544,887,446,310.92
  5. Step 5: Solve for x
    x = 544,887,446,310.92/1,122,382.32
  6. Step 6: Final answer
    x = 485,474.01

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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.