Home / 1,670,387.97-2,305,141.67-906,441.69

Finding the Fourth Proportional to 1,670,387.97, 2,305,141.67 and 906,441.69

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Solution

The fourth proportional to 1,670,387.97, 2,305,141.67 and 906,441.69 is: 1,250,892.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,670,387.97 : 2,305,141.67 = 906,441.69 : x
  2. Step 2: Convert to fraction form
    1,670,387.97/2,305,141.67 = 906,441.69/x
  3. Step 3: Cross multiply
    1,670,387.97x = 2,305,141.67 × 906,441.69
  4. Step 4: Simplify right side
    1,670,387.97x = 2,089,476,506,512.01
  5. Step 5: Solve for x
    x = 2,089,476,506,512.01/1,670,387.97
  6. Step 6: Final answer
    x = 1,250,892.93

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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.