Home / 1,515,296.61-2,091,105.05-836,228.25

Finding the Fourth Proportional to 1,515,296.61, 2,091,105.05 and 836,228.25

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Solution

The fourth proportional to 1,515,296.61, 2,091,105.05 and 836,228.25 is: 1,153,992.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,515,296.61 : 2,091,105.05 = 836,228.25 : x
  2. Step 2: Convert to fraction form
    1,515,296.61/2,091,105.05 = 836,228.25/x
  3. Step 3: Cross multiply
    1,515,296.61x = 2,091,105.05 × 836,228.25
  4. Step 4: Simplify right side
    1,515,296.61x = 1,748,641,112,346.52
  5. Step 5: Solve for x
    x = 1,748,641,112,346.52/1,515,296.61
  6. Step 6: Final answer
    x = 1,153,992.62

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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.