Home / 1,296,982.32-1,789,699.56-753,011.82

Finding the Fourth Proportional to 1,296,982.32, 1,789,699.56 and 753,011.82

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Solution

The fourth proportional to 1,296,982.32, 1,789,699.56 and 753,011.82 is: 1,039,077.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,296,982.32 : 1,789,699.56 = 753,011.82 : x
  2. Step 2: Convert to fraction form
    1,296,982.32/1,789,699.56 = 753,011.82/x
  3. Step 3: Cross multiply
    1,296,982.32x = 1,789,699.56 × 753,011.82
  4. Step 4: Simplify right side
    1,296,982.32x = 1,347,664,922,928.80
  5. Step 5: Solve for x
    x = 1,347,664,922,928.80/1,296,982.32
  6. Step 6: Final answer
    x = 1,039,077.33

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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.