Home / 1,277,457.48-1,915,859.25-378,689.04

Finding the Fourth Proportional to 1,277,457.48, 1,915,859.25 and 378,689.04

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Solution

The fourth proportional to 1,277,457.48, 1,915,859.25 and 378,689.04 is: 567,936.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,277,457.48 : 1,915,859.25 = 378,689.04 : x
  2. Step 2: Convert to fraction form
    1,277,457.48/1,915,859.25 = 378,689.04/x
  3. Step 3: Cross multiply
    1,277,457.48x = 1,915,859.25 × 378,689.04
  4. Step 4: Simplify right side
    1,277,457.48x = 725,514,900,157.62
  5. Step 5: Solve for x
    x = 725,514,900,157.62/1,277,457.48
  6. Step 6: Final answer
    x = 567,936.63

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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.