Home / 1,670,636.86-2,305,480.45-906,690.62

Finding the Fourth Proportional to 1,670,636.86, 2,305,480.45 and 906,690.62

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Solution

The fourth proportional to 1,670,636.86, 2,305,480.45 and 906,690.62 is: 1,251,233.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,670,636.86 : 2,305,480.45 = 906,690.62 : x
  2. Step 2: Convert to fraction form
    1,670,636.86/2,305,480.45 = 906,690.62/x
  3. Step 3: Cross multiply
    1,670,636.86x = 2,305,480.45 × 906,690.62
  4. Step 4: Simplify right side
    1,670,636.86x = 2,090,357,498,608.38
  5. Step 5: Solve for x
    x = 2,090,357,498,608.38/1,670,636.86
  6. Step 6: Final answer
    x = 1,251,233.91

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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.