Home / 1,670,328.72-2,305,059.80-906,382.28

Finding the Fourth Proportional to 1,670,328.72, 2,305,059.80 and 906,382.28

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Solution

The fourth proportional to 1,670,328.72, 2,305,059.80 and 906,382.28 is: 1,250,810.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,670,328.72 : 2,305,059.80 = 906,382.28 : x
  2. Step 2: Convert to fraction form
    1,670,328.72/2,305,059.80 = 906,382.28/x
  3. Step 3: Cross multiply
    1,670,328.72x = 2,305,059.80 × 906,382.28
  4. Step 4: Simplify right side
    1,670,328.72x = 2,089,265,358,291.08
  5. Step 5: Solve for x
    x = 2,089,265,358,291.08/1,670,328.72
  6. Step 6: Final answer
    x = 1,250,810.89

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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.