Home / 1,263,646.73-1,743,590.57-719,770.61

Finding the Fourth Proportional to 1,263,646.73, 1,743,590.57 and 719,770.61

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Solution

The fourth proportional to 1,263,646.73, 1,743,590.57 and 719,770.61 is: 993,145.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,263,646.73 : 1,743,590.57 = 719,770.61 : x
  2. Step 2: Convert to fraction form
    1,263,646.73/1,743,590.57 = 719,770.61/x
  3. Step 3: Cross multiply
    1,263,646.73x = 1,743,590.57 × 719,770.61
  4. Step 4: Simplify right side
    1,263,646.73x = 1,254,985,241,240.62
  5. Step 5: Solve for x
    x = 1,254,985,241,240.62/1,263,646.73
  6. Step 6: Final answer
    x = 993,145.64

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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.