Home / 1,670,448.31-2,305,220.18-906,501.88

Finding the Fourth Proportional to 1,670,448.31, 2,305,220.18 and 906,501.88

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Solution

The fourth proportional to 1,670,448.31, 2,305,220.18 and 906,501.88 is: 1,250,973.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,670,448.31 : 2,305,220.18 = 906,501.88 : x
  2. Step 2: Convert to fraction form
    1,670,448.31/2,305,220.18 = 906,501.88/x
  3. Step 3: Cross multiply
    1,670,448.31x = 2,305,220.18 × 906,501.88
  4. Step 4: Simplify right side
    1,670,448.31x = 2,089,686,422,451.43
  5. Step 5: Solve for x
    x = 2,089,686,422,451.43/1,670,448.31
  6. Step 6: Final answer
    x = 1,250,973.41

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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.