Home / 1,670,828.40-2,305,747.56-906,881.88

Finding the Fourth Proportional to 1,670,828.40, 2,305,747.56 and 906,881.88

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Solution

The fourth proportional to 1,670,828.40, 2,305,747.56 and 906,881.88 is: 1,251,499.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,670,828.40 : 2,305,747.56 = 906,881.88 : x
  2. Step 2: Convert to fraction form
    1,670,828.40/2,305,747.56 = 906,881.88/x
  3. Step 3: Cross multiply
    1,670,828.40x = 2,305,747.56 × 906,881.88
  4. Step 4: Simplify right side
    1,670,828.40x = 2,091,040,682,018.21
  5. Step 5: Solve for x
    x = 2,091,040,682,018.21/1,670,828.40
  6. Step 6: Final answer
    x = 1,251,499.37

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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.