Home / 1,281,342.36-1,768,255.64-700,602.96

Finding the Fourth Proportional to 1,281,342.36, 1,768,255.64 and 700,602.96

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Solution

The fourth proportional to 1,281,342.36, 1,768,255.64 and 700,602.96 is: 966,833.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,281,342.36 : 1,768,255.64 = 700,602.96 : x
  2. Step 2: Convert to fraction form
    1,281,342.36/1,768,255.64 = 700,602.96/x
  3. Step 3: Cross multiply
    1,281,342.36x = 1,768,255.64 × 700,602.96
  4. Step 4: Simplify right side
    1,281,342.36x = 1,238,845,141,175.90
  5. Step 5: Solve for x
    x = 1,238,845,141,175.90/1,281,342.36
  6. Step 6: Final answer
    x = 966,833.83

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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.