Home / 1,628,670.76-2,247,568.29-903,518.48

Finding the Fourth Proportional to 1,628,670.76, 2,247,568.29 and 903,518.48

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Solution

The fourth proportional to 1,628,670.76, 2,247,568.29 and 903,518.48 is: 1,246,856.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,628,670.76 : 2,247,568.29 = 903,518.48 : x
  2. Step 2: Convert to fraction form
    1,628,670.76/2,247,568.29 = 903,518.48/x
  3. Step 3: Cross multiply
    1,628,670.76x = 2,247,568.29 × 903,518.48
  4. Step 4: Simplify right side
    1,628,670.76x = 2,030,719,485,077.00
  5. Step 5: Solve for x
    x = 2,030,719,485,077.00/1,628,670.76
  6. Step 6: Final answer
    x = 1,246,856.97

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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.