Home / 1,212,628.92-1,673,546.25-906,173.20

Finding the Fourth Proportional to 1,212,628.92, 1,673,546.25 and 906,173.20

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Solution

The fourth proportional to 1,212,628.92, 1,673,546.25 and 906,173.20 is: 1,250,607.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,212,628.92 : 1,673,546.25 = 906,173.20 : x
  2. Step 2: Convert to fraction form
    1,212,628.92/1,673,546.25 = 906,173.20/x
  3. Step 3: Cross multiply
    1,212,628.92x = 1,673,546.25 × 906,173.20
  4. Step 4: Simplify right side
    1,212,628.92x = 1,516,522,760,710.50
  5. Step 5: Solve for x
    x = 1,516,522,760,710.50/1,212,628.92
  6. Step 6: Final answer
    x = 1,250,607.45

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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.