Home / 1,670,842.88-2,305,765.50-906,896.60

Finding the Fourth Proportional to 1,670,842.88, 2,305,765.50 and 906,896.60

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Solution

The fourth proportional to 1,670,842.88, 2,305,765.50 and 906,896.60 is: 1,251,518.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,670,842.88 : 2,305,765.50 = 906,896.60 : x
  2. Step 2: Convert to fraction form
    1,670,842.88/2,305,765.50 = 906,896.60/x
  3. Step 3: Cross multiply
    1,670,842.88x = 2,305,765.50 × 906,896.60
  4. Step 4: Simplify right side
    1,670,842.88x = 2,091,090,892,347.30
  5. Step 5: Solve for x
    x = 2,091,090,892,347.30/1,670,842.88
  6. Step 6: Final answer
    x = 1,251,518.57

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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.