Home / 1,122,382.80-1,683,822.98-323,602.02

Finding the Fourth Proportional to 1,122,382.80, 1,683,822.98 and 323,602.02

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Solution

The fourth proportional to 1,122,382.80, 1,683,822.98 and 323,602.02 is: 485,474.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,122,382.80 : 1,683,822.98 = 323,602.02 : x
  2. Step 2: Convert to fraction form
    1,122,382.80/1,683,822.98 = 323,602.02/x
  3. Step 3: Cross multiply
    1,122,382.80x = 1,683,822.98 × 323,602.02
  4. Step 4: Simplify right side
    1,122,382.80x = 544,888,517,650.42
  5. Step 5: Solve for x
    x = 544,888,517,650.42/1,122,382.80
  6. Step 6: Final answer
    x = 485,474.76

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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.