Home / 1,362,654.23-1,880,505.42-781,983.59

Finding the Fourth Proportional to 1,362,654.23, 1,880,505.42 and 781,983.59

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Solution

The fourth proportional to 1,362,654.23, 1,880,505.42 and 781,983.59 is: 1,079,161.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,362,654.23 : 1,880,505.42 = 781,983.59 : x
  2. Step 2: Convert to fraction form
    1,362,654.23/1,880,505.42 = 781,983.59/x
  3. Step 3: Cross multiply
    1,362,654.23x = 1,880,505.42 × 781,983.59
  4. Step 4: Simplify right side
    1,362,654.23x = 1,470,524,379,346.06
  5. Step 5: Solve for x
    x = 1,470,524,379,346.06/1,362,654.23
  6. Step 6: Final answer
    x = 1,079,161.79

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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.