Home / 1,277,484.48-1,915,899.75-378,716.04

Finding the Fourth Proportional to 1,277,484.48, 1,915,899.75 and 378,716.04

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Solution

The fourth proportional to 1,277,484.48, 1,915,899.75 and 378,716.04 is: 567,977.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,277,484.48 : 1,915,899.75 = 378,716.04 : x
  2. Step 2: Convert to fraction form
    1,277,484.48/1,915,899.75 = 378,716.04/x
  3. Step 3: Cross multiply
    1,277,484.48x = 1,915,899.75 × 378,716.04
  4. Step 4: Simplify right side
    1,277,484.48x = 725,581,966,356.99
  5. Step 5: Solve for x
    x = 725,581,966,356.99/1,277,484.48
  6. Step 6: Final answer
    x = 567,977.13

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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.