Home / 1,670,448.81-2,305,220.87-906,502.38

Finding the Fourth Proportional to 1,670,448.81, 2,305,220.87 and 906,502.38

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Solution

The fourth proportional to 1,670,448.81, 2,305,220.87 and 906,502.38 is: 1,250,974.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,670,448.81 : 2,305,220.87 = 906,502.38 : x
  2. Step 2: Convert to fraction form
    1,670,448.81/2,305,220.87 = 906,502.38/x
  3. Step 3: Cross multiply
    1,670,448.81x = 2,305,220.87 × 906,502.38
  4. Step 4: Simplify right side
    1,670,448.81x = 2,089,688,200,548.16
  5. Step 5: Solve for x
    x = 2,089,688,200,548.16/1,670,448.81
  6. Step 6: Final answer
    x = 1,250,974.10

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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.