Home / 1,159,481.80-1,740,000.30-685,664.20

Finding the Fourth Proportional to 1,159,481.80, 1,740,000.30 and 685,664.20

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Solution

The fourth proportional to 1,159,481.80, 1,740,000.30 and 685,664.20 is: 1,028,956.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,159,481.80 : 1,740,000.30 = 685,664.20 : x
  2. Step 2: Convert to fraction form
    1,159,481.80/1,740,000.30 = 685,664.20/x
  3. Step 3: Cross multiply
    1,159,481.80x = 1,740,000.30 × 685,664.20
  4. Step 4: Simplify right side
    1,159,481.80x = 1,193,055,913,699.26
  5. Step 5: Solve for x
    x = 1,193,055,913,699.26/1,159,481.80
  6. Step 6: Final answer
    x = 1,028,956.14

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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.