Home / 1,670,751.60-2,305,639.20-906,805.32

Finding the Fourth Proportional to 1,670,751.60, 2,305,639.20 and 906,805.32

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Solution

The fourth proportional to 1,670,751.60, 2,305,639.20 and 906,805.32 is: 1,251,392.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,670,751.60 : 2,305,639.20 = 906,805.32 : x
  2. Step 2: Convert to fraction form
    1,670,751.60/2,305,639.20 = 906,805.32/x
  3. Step 3: Cross multiply
    1,670,751.60x = 2,305,639.20 × 906,805.32
  4. Step 4: Simplify right side
    1,670,751.60x = 2,090,765,892,560.54
  5. Step 5: Solve for x
    x = 2,090,765,892,560.54/1,670,751.60
  6. Step 6: Final answer
    x = 1,251,392.42

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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.