Home / 1,111,832.73-1,669,981.05-663,428.88

Finding the Fourth Proportional to 1,111,832.73, 1,669,981.05 and 663,428.88

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Solution

The fourth proportional to 1,111,832.73, 1,669,981.05 and 663,428.88 is: 996,475.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,111,832.73 : 1,669,981.05 = 663,428.88 : x
  2. Step 2: Convert to fraction form
    1,111,832.73/1,669,981.05 = 663,428.88/x
  3. Step 3: Cross multiply
    1,111,832.73x = 1,669,981.05 × 663,428.88
  4. Step 4: Simplify right side
    1,111,832.73x = 1,107,913,657,622.72
  5. Step 5: Solve for x
    x = 1,107,913,657,622.72/1,111,832.73
  6. Step 6: Final answer
    x = 996,475.12

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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.