Home / 1,372,010.69-2,057,218.30-519,148.22

Finding the Fourth Proportional to 1,372,010.69, 2,057,218.30 and 519,148.22

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Solution

The fourth proportional to 1,372,010.69, 2,057,218.30 and 519,148.22 is: 778,420.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,372,010.69 : 2,057,218.30 = 519,148.22 : x
  2. Step 2: Convert to fraction form
    1,372,010.69/2,057,218.30 = 519,148.22/x
  3. Step 3: Cross multiply
    1,372,010.69x = 2,057,218.30 × 519,148.22
  4. Step 4: Simplify right side
    1,372,010.69x = 1,068,001,224,388.41
  5. Step 5: Solve for x
    x = 1,068,001,224,388.41/1,372,010.69
  6. Step 6: Final answer
    x = 778,420.48

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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.