Home / 1,515,259.68-2,091,003.52-836,181.60

Finding the Fourth Proportional to 1,515,259.68, 2,091,003.52 and 836,181.60

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Solution

The fourth proportional to 1,515,259.68, 2,091,003.52 and 836,181.60 is: 1,153,900.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,515,259.68 : 2,091,003.52 = 836,181.60 : x
  2. Step 2: Convert to fraction form
    1,515,259.68/2,091,003.52 = 836,181.60/x
  3. Step 3: Cross multiply
    1,515,259.68x = 2,091,003.52 × 836,181.60
  4. Step 4: Simplify right side
    1,515,259.68x = 1,748,458,668,959.23
  5. Step 5: Solve for x
    x = 1,748,458,668,959.23/1,515,259.68
  6. Step 6: Final answer
    x = 1,153,900.35

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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.