Home / 1,670,752.30-2,305,640.42-906,805.66

Finding the Fourth Proportional to 1,670,752.30, 2,305,640.42 and 906,805.66

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Solution

The fourth proportional to 1,670,752.30, 2,305,640.42 and 906,805.66 is: 1,251,393.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,670,752.30 : 2,305,640.42 = 906,805.66 : x
  2. Step 2: Convert to fraction form
    1,670,752.30/2,305,640.42 = 906,805.66/x
  3. Step 3: Cross multiply
    1,670,752.30x = 2,305,640.42 × 906,805.66
  4. Step 4: Simplify right side
    1,670,752.30x = 2,090,767,778,246.75
  5. Step 5: Solve for x
    x = 2,090,767,778,246.75/1,670,752.30
  6. Step 6: Final answer
    x = 1,251,393.03

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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.