Home / 1,277,006.99-1,915,811.19-378,456.17

Finding the Fourth Proportional to 1,277,006.99, 1,915,811.19 and 378,456.17

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Solution

The fourth proportional to 1,277,006.99, 1,915,811.19 and 378,456.17 is: 567,773.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,277,006.99 : 1,915,811.19 = 378,456.17 : x
  2. Step 2: Convert to fraction form
    1,277,006.99/1,915,811.19 = 378,456.17/x
  3. Step 3: Cross multiply
    1,277,006.99x = 1,915,811.19 × 378,456.17
  4. Step 4: Simplify right side
    1,277,006.99x = 725,050,555,831.49
  5. Step 5: Solve for x
    x = 725,050,555,831.49/1,277,006.99
  6. Step 6: Final answer
    x = 567,773.37

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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.