Home / 1,670,674.20-2,305,537.20-906,728.64

Finding the Fourth Proportional to 1,670,674.20, 2,305,537.20 and 906,728.64

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Solution

The fourth proportional to 1,670,674.20, 2,305,537.20 and 906,728.64 is: 1,251,289.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,670,674.20 : 2,305,537.20 = 906,728.64 : x
  2. Step 2: Convert to fraction form
    1,670,674.20/2,305,537.20 = 906,728.64/x
  3. Step 3: Cross multiply
    1,670,674.20x = 2,305,537.20 × 906,728.64
  4. Step 4: Simplify right side
    1,670,674.20x = 2,090,496,609,825.41
  5. Step 5: Solve for x
    x = 2,090,496,609,825.41/1,670,674.20
  6. Step 6: Final answer
    x = 1,251,289.22

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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.