Home / 1,293,921.37-1,785,618.58-750,379.43

Finding the Fourth Proportional to 1,293,921.37, 1,785,618.58 and 750,379.43

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Solution

The fourth proportional to 1,293,921.37, 1,785,618.58 and 750,379.43 is: 1,035,527.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,293,921.37 : 1,785,618.58 = 750,379.43 : x
  2. Step 2: Convert to fraction form
    1,293,921.37/1,785,618.58 = 750,379.43/x
  3. Step 3: Cross multiply
    1,293,921.37x = 1,785,618.58 × 750,379.43
  4. Step 4: Simplify right side
    1,293,921.37x = 1,339,891,445,917.81
  5. Step 5: Solve for x
    x = 1,339,891,445,917.81/1,293,921.37
  6. Step 6: Final answer
    x = 1,035,527.72

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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.