Home / 1,082,321.70-1,624,042.71-785,254.20

Finding the Fourth Proportional to 1,082,321.70, 1,624,042.71 and 785,254.20

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Solution

The fourth proportional to 1,082,321.70, 1,624,042.71 and 785,254.20 is: 1,178,287.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,082,321.70 : 1,624,042.71 = 785,254.20 : x
  2. Step 2: Convert to fraction form
    1,082,321.70/1,624,042.71 = 785,254.20/x
  3. Step 3: Cross multiply
    1,082,321.70x = 1,624,042.71 × 785,254.20
  4. Step 4: Simplify right side
    1,082,321.70x = 1,275,286,352,916.72
  5. Step 5: Solve for x
    x = 1,275,286,352,916.72/1,082,321.70
  6. Step 6: Final answer
    x = 1,178,287.71

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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.