Home / 1,339,706.32-1,848,784.75-727,864.11

Finding the Fourth Proportional to 1,339,706.32, 1,848,784.75 and 727,864.11

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Solution

The fourth proportional to 1,339,706.32, 1,848,784.75 and 727,864.11 is: 1,004,447.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,339,706.32 : 1,848,784.75 = 727,864.11 : x
  2. Step 2: Convert to fraction form
    1,339,706.32/1,848,784.75 = 727,864.11/x
  3. Step 3: Cross multiply
    1,339,706.32x = 1,848,784.75 × 727,864.11
  4. Step 4: Simplify right side
    1,339,706.32x = 1,345,664,053,757.08
  5. Step 5: Solve for x
    x = 1,345,664,053,757.08/1,339,706.32
  6. Step 6: Final answer
    x = 1,004,447.05

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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.