Home / 1,663,159.80-2,494,010.70-764,302.80

Finding the Fourth Proportional to 1,663,159.80, 2,494,010.70 and 764,302.80

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Solution

The fourth proportional to 1,663,159.80, 2,494,010.70 and 764,302.80 is: 1,146,119.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,663,159.80 : 2,494,010.70 = 764,302.80 : x
  2. Step 2: Convert to fraction form
    1,663,159.80/2,494,010.70 = 764,302.80/x
  3. Step 3: Cross multiply
    1,663,159.80x = 2,494,010.70 × 764,302.80
  4. Step 4: Simplify right side
    1,663,159.80x = 1,906,179,361,239.96
  5. Step 5: Solve for x
    x = 1,906,179,361,239.96/1,663,159.80
  6. Step 6: Final answer
    x = 1,146,119.19

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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.