Home / 1,234,132.80-1,703,076.64-668,884.80

Finding the Fourth Proportional to 1,234,132.80, 1,703,076.64 and 668,884.80

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Solution

The fourth proportional to 1,234,132.80, 1,703,076.64 and 668,884.80 is: 923,046.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,234,132.80 : 1,703,076.64 = 668,884.80 : x
  2. Step 2: Convert to fraction form
    1,234,132.80/1,703,076.64 = 668,884.80/x
  3. Step 3: Cross multiply
    1,234,132.80x = 1,703,076.64 × 668,884.80
  4. Step 4: Simplify right side
    1,234,132.80x = 1,139,162,077,731.07
  5. Step 5: Solve for x
    x = 1,139,162,077,731.07/1,234,132.80
  6. Step 6: Final answer
    x = 923,046.59

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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.