Home / 1,628,678.12-2,247,578.44-903,525.86

Finding the Fourth Proportional to 1,628,678.12, 2,247,578.44 and 903,525.86

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Solution

The fourth proportional to 1,628,678.12, 2,247,578.44 and 903,525.86 is: 1,246,867.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,628,678.12 : 2,247,578.44 = 903,525.86 : x
  2. Step 2: Convert to fraction form
    1,628,678.12/2,247,578.44 = 903,525.86/x
  3. Step 3: Cross multiply
    1,628,678.12x = 2,247,578.44 × 903,525.86
  4. Step 4: Simplify right side
    1,628,678.12x = 2,030,745,242,918.46
  5. Step 5: Solve for x
    x = 2,030,745,242,918.46/1,628,678.12
  6. Step 6: Final answer
    x = 1,246,867.15

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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.