Home / 1,111,549.23-1,669,555.80-663,144.98

Finding the Fourth Proportional to 1,111,549.23, 1,669,555.80 and 663,144.98

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Solution

The fourth proportional to 1,111,549.23, 1,669,555.80 and 663,144.98 is: 996,049.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,111,549.23 : 1,669,555.80 = 663,144.98 : x
  2. Step 2: Convert to fraction form
    1,111,549.23/1,669,555.80 = 663,144.98/x
  3. Step 3: Cross multiply
    1,111,549.23x = 1,669,555.80 × 663,144.98
  4. Step 4: Simplify right side
    1,111,549.23x = 1,107,157,539,252.11
  5. Step 5: Solve for x
    x = 1,107,157,539,252.11/1,111,549.23
  6. Step 6: Final answer
    x = 996,049.04

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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.