Home / 1,010,292.49-1,394,200.78-557,580.25

Finding the Fourth Proportional to 1,010,292.49, 1,394,200.78 and 557,580.25

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Solution

The fourth proportional to 1,010,292.49, 1,394,200.78 and 557,580.25 is: 769,459.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,010,292.49 : 1,394,200.78 = 557,580.25 : x
  2. Step 2: Convert to fraction form
    1,010,292.49/1,394,200.78 = 557,580.25/x
  3. Step 3: Cross multiply
    1,010,292.49x = 1,394,200.78 × 557,580.25
  4. Step 4: Simplify right side
    1,010,292.49x = 777,378,819,462.60
  5. Step 5: Solve for x
    x = 777,378,819,462.60/1,010,292.49
  6. Step 6: Final answer
    x = 769,459.17

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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.