Home / 1,269,538.23-1,751,962.77-725,685.81

Finding the Fourth Proportional to 1,269,538.23, 1,751,962.77 and 725,685.81

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Solution

The fourth proportional to 1,269,538.23, 1,751,962.77 and 725,685.81 is: 1,001,446.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,269,538.23 : 1,751,962.77 = 725,685.81 : x
  2. Step 2: Convert to fraction form
    1,269,538.23/1,751,962.77 = 725,685.81/x
  3. Step 3: Cross multiply
    1,269,538.23x = 1,751,962.77 × 725,685.81
  4. Step 4: Simplify right side
    1,269,538.23x = 1,271,374,521,837.29
  5. Step 5: Solve for x
    x = 1,271,374,521,837.29/1,269,538.23
  6. Step 6: Final answer
    x = 1,001,446.43

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.