Home / 1,155,324.87-1,732,320.26-356,391.90

Finding the Fourth Proportional to 1,155,324.87, 1,732,320.26 and 356,391.90

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Solution

The fourth proportional to 1,155,324.87, 1,732,320.26 and 356,391.90 is: 534,382.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,155,324.87 : 1,732,320.26 = 356,391.90 : x
  2. Step 2: Convert to fraction form
    1,155,324.87/1,732,320.26 = 356,391.90/x
  3. Step 3: Cross multiply
    1,155,324.87x = 1,732,320.26 × 356,391.90
  4. Step 4: Simplify right side
    1,155,324.87x = 617,384,907,087.94
  5. Step 5: Solve for x
    x = 617,384,907,087.94/1,155,324.87
  6. Step 6: Final answer
    x = 534,382.08

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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.