Home / 1,212,664.96-1,673,595.90-906,209.20

Finding the Fourth Proportional to 1,212,664.96, 1,673,595.90 and 906,209.20

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Solution

The fourth proportional to 1,212,664.96, 1,673,595.90 and 906,209.20 is: 1,250,657.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,212,664.96 : 1,673,595.90 = 906,209.20 : x
  2. Step 2: Convert to fraction form
    1,212,664.96/1,673,595.90 = 906,209.20/x
  3. Step 3: Cross multiply
    1,212,664.96x = 1,673,595.90 × 906,209.20
  4. Step 4: Simplify right side
    1,212,664.96x = 1,516,628,001,662.28
  5. Step 5: Solve for x
    x = 1,516,628,001,662.28/1,212,664.96
  6. Step 6: Final answer
    x = 1,250,657.07

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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.