Home / 919,823.54-1,380,625.14-663,919.94

Finding the Fourth Proportional to 919,823.54, 1,380,625.14 and 663,919.94

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Solution

The fourth proportional to 919,823.54, 1,380,625.14 and 663,919.94 is: 996,522.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    919,823.54 : 1,380,625.14 = 663,919.94 : x
  2. Step 2: Convert to fraction form
    919,823.54/1,380,625.14 = 663,919.94/x
  3. Step 3: Cross multiply
    919,823.54x = 1,380,625.14 × 663,919.94
  4. Step 4: Simplify right side
    919,823.54x = 916,624,560,111.29
  5. Step 5: Solve for x
    x = 916,624,560,111.29/919,823.54
  6. Step 6: Final answer
    x = 996,522.18

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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.