Home / 1,296,880.17-1,789,687.71-753,149.58

Finding the Fourth Proportional to 1,296,880.17, 1,789,687.71 and 753,149.58

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Solution

The fourth proportional to 1,296,880.17, 1,789,687.71 and 753,149.58 is: 1,039,342.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,296,880.17 : 1,789,687.71 = 753,149.58 : x
  2. Step 2: Convert to fraction form
    1,296,880.17/1,789,687.71 = 753,149.58/x
  3. Step 3: Cross multiply
    1,296,880.17x = 1,789,687.71 × 753,149.58
  4. Step 4: Simplify right side
    1,296,880.17x = 1,347,902,540,406.33
  5. Step 5: Solve for x
    x = 1,347,902,540,406.33/1,296,880.17
  6. Step 6: Final answer
    x = 1,039,342.40

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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.