Home / 1,212,941.70-1,819,412.55-740,549.70

Finding the Fourth Proportional to 1,212,941.70, 1,819,412.55 and 740,549.70

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Solution

The fourth proportional to 1,212,941.70, 1,819,412.55 and 740,549.70 is: 1,110,824.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,212,941.70 : 1,819,412.55 = 740,549.70 : x
  2. Step 2: Convert to fraction form
    1,212,941.70/1,819,412.55 = 740,549.70/x
  3. Step 3: Cross multiply
    1,212,941.70x = 1,819,412.55 × 740,549.70
  4. Step 4: Simplify right side
    1,212,941.70x = 1,347,365,418,078.73
  5. Step 5: Solve for x
    x = 1,347,365,418,078.73/1,212,941.70
  6. Step 6: Final answer
    x = 1,110,824.55

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.