Home / 1,670,786.64-2,305,679.78-906,840.20

Finding the Fourth Proportional to 1,670,786.64, 2,305,679.78 and 906,840.20

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Solution

The fourth proportional to 1,670,786.64, 2,305,679.78 and 906,840.20 is: 1,251,436.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,670,786.64 : 2,305,679.78 = 906,840.20 : x
  2. Step 2: Convert to fraction form
    1,670,786.64/2,305,679.78 = 906,840.20/x
  3. Step 3: Cross multiply
    1,670,786.64x = 2,305,679.78 × 906,840.20
  4. Step 4: Simplify right side
    1,670,786.64x = 2,090,883,112,831.16
  5. Step 5: Solve for x
    x = 2,090,883,112,831.16/1,670,786.64
  6. Step 6: Final answer
    x = 1,251,436.34

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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.