Home / 1,371,694.92-1,892,938.68-759,887.28

Finding the Fourth Proportional to 1,371,694.92, 1,892,938.68 and 759,887.28

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Solution

The fourth proportional to 1,371,694.92, 1,892,938.68 and 759,887.28 is: 1,048,644.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,371,694.92 : 1,892,938.68 = 759,887.28 : x
  2. Step 2: Convert to fraction form
    1,371,694.92/1,892,938.68 = 759,887.28/x
  3. Step 3: Cross multiply
    1,371,694.92x = 1,892,938.68 × 759,887.28
  4. Step 4: Simplify right side
    1,371,694.92x = 1,438,420,024,751.99
  5. Step 5: Solve for x
    x = 1,438,420,024,751.99/1,371,694.92
  6. Step 6: Final answer
    x = 1,048,644.27

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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.