Home / 1,277,320.16-1,915,653.61-378,552.26

Finding the Fourth Proportional to 1,277,320.16, 1,915,653.61 and 378,552.26

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Solution

The fourth proportional to 1,277,320.16, 1,915,653.61 and 378,552.26 is: 567,731.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,277,320.16 : 1,915,653.61 = 378,552.26 : x
  2. Step 2: Convert to fraction form
    1,277,320.16/1,915,653.61 = 378,552.26/x
  3. Step 3: Cross multiply
    1,277,320.16x = 1,915,653.61 × 378,552.26
  4. Step 4: Simplify right side
    1,277,320.16x = 725,175,007,285.41
  5. Step 5: Solve for x
    x = 725,175,007,285.41/1,277,320.16
  6. Step 6: Final answer
    x = 567,731.59

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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.