Home / 1,890,722.56-2,609,132.16-1,126,379.52

Finding the Fourth Proportional to 1,890,722.56, 2,609,132.16 and 1,126,379.52

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Solution

The fourth proportional to 1,890,722.56, 2,609,132.16 and 1,126,379.52 is: 1,554,365.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,890,722.56 : 2,609,132.16 = 1,126,379.52 : x
  2. Step 2: Convert to fraction form
    1,890,722.56/2,609,132.16 = 1,126,379.52/x
  3. Step 3: Cross multiply
    1,890,722.56x = 2,609,132.16 × 1,126,379.52
  4. Step 4: Simplify right side
    1,890,722.56x = 2,938,873,029,997.36
  5. Step 5: Solve for x
    x = 2,938,873,029,997.36/1,890,722.56
  6. Step 6: Final answer
    x = 1,554,365.03

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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.