Home / 1,670,487.15-2,305,273.95-906,540.72

Finding the Fourth Proportional to 1,670,487.15, 2,305,273.95 and 906,540.72

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Solution

The fourth proportional to 1,670,487.15, 2,305,273.95 and 906,540.72 is: 1,251,027.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,670,487.15 : 2,305,273.95 = 906,540.72 : x
  2. Step 2: Convert to fraction form
    1,670,487.15/2,305,273.95 = 906,540.72/x
  3. Step 3: Cross multiply
    1,670,487.15x = 2,305,273.95 × 906,540.72
  4. Step 4: Simplify right side
    1,670,487.15x = 2,089,824,706,430.24
  5. Step 5: Solve for x
    x = 2,089,824,706,430.24/1,670,487.15
  6. Step 6: Final answer
    x = 1,251,027.11

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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.