Home / 1,515,443.25-2,091,307.38-836,374.89

Finding the Fourth Proportional to 1,515,443.25, 2,091,307.38 and 836,374.89

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Solution

The fourth proportional to 1,515,443.25, 2,091,307.38 and 836,374.89 is: 1,154,194.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,515,443.25 : 2,091,307.38 = 836,374.89 : x
  2. Step 2: Convert to fraction form
    1,515,443.25/2,091,307.38 = 836,374.89/x
  3. Step 3: Cross multiply
    1,515,443.25x = 2,091,307.38 × 836,374.89
  4. Step 4: Simplify right side
    1,515,443.25x = 1,749,116,979,903.69
  5. Step 5: Solve for x
    x = 1,749,116,979,903.69/1,515,443.25
  6. Step 6: Final answer
    x = 1,154,194.97

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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.