Home / 1,209,580.25-1,669,221.01-658,298.12

Finding the Fourth Proportional to 1,209,580.25, 1,669,221.01 and 658,298.12

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Solution

The fourth proportional to 1,209,580.25, 1,669,221.01 and 658,298.12 is: 908,451.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,209,580.25 : 1,669,221.01 = 658,298.12 : x
  2. Step 2: Convert to fraction form
    1,209,580.25/1,669,221.01 = 658,298.12/x
  3. Step 3: Cross multiply
    1,209,580.25x = 1,669,221.01 × 658,298.12
  4. Step 4: Simplify right side
    1,209,580.25x = 1,098,845,057,743.43
  5. Step 5: Solve for x
    x = 1,098,845,057,743.43/1,209,580.25
  6. Step 6: Final answer
    x = 908,451.55

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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.