Home / 1,988,705.76-2,744,424.24-1,083,287.52

Finding the Fourth Proportional to 1,988,705.76, 2,744,424.24 and 1,083,287.52

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Solution

The fourth proportional to 1,988,705.76, 2,744,424.24 and 1,083,287.52 is: 1,494,942.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,988,705.76 : 2,744,424.24 = 1,083,287.52 : x
  2. Step 2: Convert to fraction form
    1,988,705.76/2,744,424.24 = 1,083,287.52/x
  3. Step 3: Cross multiply
    1,988,705.76x = 2,744,424.24 × 1,083,287.52
  4. Step 4: Simplify right side
    1,988,705.76x = 2,973,000,528,777.49
  5. Step 5: Solve for x
    x = 2,973,000,528,777.49/1,988,705.76
  6. Step 6: Final answer
    x = 1,494,942.38

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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.