Home / 1,670,324.47-2,305,053.89-906,378.01

Finding the Fourth Proportional to 1,670,324.47, 2,305,053.89 and 906,378.01

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Solution

The fourth proportional to 1,670,324.47, 2,305,053.89 and 906,378.01 is: 1,250,804.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,670,324.47 : 2,305,053.89 = 906,378.01 : x
  2. Step 2: Convert to fraction form
    1,670,324.47/2,305,053.89 = 906,378.01/x
  3. Step 3: Cross multiply
    1,670,324.47x = 2,305,053.89 × 906,378.01
  4. Step 4: Simplify right side
    1,670,324.47x = 2,089,250,157,760.96
  5. Step 5: Solve for x
    x = 2,089,250,157,760.96/1,670,324.47
  6. Step 6: Final answer
    x = 1,250,804.98

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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.