Home / 1,642,273.56-2,267,337.96-1,126,874.16

Finding the Fourth Proportional to 1,642,273.56, 2,267,337.96 and 1,126,874.16

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Solution

The fourth proportional to 1,642,273.56, 2,267,337.96 and 1,126,874.16 is: 1,555,772.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,642,273.56 : 2,267,337.96 = 1,126,874.16 : x
  2. Step 2: Convert to fraction form
    1,642,273.56/2,267,337.96 = 1,126,874.16/x
  3. Step 3: Cross multiply
    1,642,273.56x = 2,267,337.96 × 1,126,874.16
  4. Step 4: Simplify right side
    1,642,273.56x = 2,555,004,559,111.11
  5. Step 5: Solve for x
    x = 2,555,004,559,111.11/1,642,273.56
  6. Step 6: Final answer
    x = 1,555,772.81

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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.