Home / 1,282,836.32-1,770,287.64-709,876.16

Finding the Fourth Proportional to 1,282,836.32, 1,770,287.64 and 709,876.16

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Solution

The fourth proportional to 1,282,836.32, 1,770,287.64 and 709,876.16 is: 979,614.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,282,836.32 : 1,770,287.64 = 709,876.16 : x
  2. Step 2: Convert to fraction form
    1,282,836.32/1,770,287.64 = 709,876.16/x
  3. Step 3: Cross multiply
    1,282,836.32x = 1,770,287.64 × 709,876.16
  4. Step 4: Simplify right side
    1,282,836.32x = 1,256,684,991,978.66
  5. Step 5: Solve for x
    x = 1,256,684,991,978.66/1,282,836.32
  6. Step 6: Final answer
    x = 979,614.45

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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.