Home / 1,515,360.56-2,091,187.92-836,297.12

Finding the Fourth Proportional to 1,515,360.56, 2,091,187.92 and 836,297.12

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Solution

The fourth proportional to 1,515,360.56, 2,091,187.92 and 836,297.12 is: 1,154,084.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,515,360.56 : 2,091,187.92 = 836,297.12 : x
  2. Step 2: Convert to fraction form
    1,515,360.56/2,091,187.92 = 836,297.12/x
  3. Step 3: Cross multiply
    1,515,360.56x = 2,091,187.92 × 836,297.12
  4. Step 4: Simplify right side
    1,515,360.56x = 1,748,854,434,874.79
  5. Step 5: Solve for x
    x = 1,748,854,434,874.79/1,515,360.56
  6. Step 6: Final answer
    x = 1,154,084.70

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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.