Home / 1,392,238.20-2,086,802.10-793,486.20

Finding the Fourth Proportional to 1,392,238.20, 2,086,802.10 and 793,486.20

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Solution

The fourth proportional to 1,392,238.20, 2,086,802.10 and 793,486.20 is: 1,189,342.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,392,238.20 : 2,086,802.10 = 793,486.20 : x
  2. Step 2: Convert to fraction form
    1,392,238.20/2,086,802.10 = 793,486.20/x
  3. Step 3: Cross multiply
    1,392,238.20x = 2,086,802.10 × 793,486.20
  4. Step 4: Simplify right side
    1,392,238.20x = 1,655,848,668,481.02
  5. Step 5: Solve for x
    x = 1,655,848,668,481.02/1,392,238.20
  6. Step 6: Final answer
    x = 1,189,342.94

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.