Home / 882,172.53-1,219,052.97-720,968.76

Finding the Fourth Proportional to 882,172.53, 1,219,052.97 and 720,968.76

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Solution

The fourth proportional to 882,172.53, 1,219,052.97 and 720,968.76 is: 996,289.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    882,172.53 : 1,219,052.97 = 720,968.76 : x
  2. Step 2: Convert to fraction form
    882,172.53/1,219,052.97 = 720,968.76/x
  3. Step 3: Cross multiply
    882,172.53x = 1,219,052.97 × 720,968.76
  4. Step 4: Simplify right side
    882,172.53x = 878,899,108,155.22
  5. Step 5: Solve for x
    x = 878,899,108,155.22/882,172.53
  6. Step 6: Final answer
    x = 996,289.36

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.