Home / 1,515,297.11-2,091,105.73-836,228.75

Finding the Fourth Proportional to 1,515,297.11, 2,091,105.73 and 836,228.75

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Solution

The fourth proportional to 1,515,297.11, 2,091,105.73 and 836,228.75 is: 1,153,993.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,515,297.11 : 2,091,105.73 = 836,228.75 : x
  2. Step 2: Convert to fraction form
    1,515,297.11/2,091,105.73 = 836,228.75/x
  3. Step 3: Cross multiply
    1,515,297.11x = 2,091,105.73 × 836,228.75
  4. Step 4: Simplify right side
    1,515,297.11x = 1,748,642,730,715.74
  5. Step 5: Solve for x
    x = 1,748,642,730,715.74/1,515,297.11
  6. Step 6: Final answer
    x = 1,153,993.31

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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.