Home / 1,263,840.39-1,743,673.91-719,591.18

Finding the Fourth Proportional to 1,263,840.39, 1,743,673.91 and 719,591.18

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Solution

The fourth proportional to 1,263,840.39, 1,743,673.91 and 719,591.18 is: 992,793.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,263,840.39 : 1,743,673.91 = 719,591.18 : x
  2. Step 2: Convert to fraction form
    1,263,840.39/1,743,673.91 = 719,591.18/x
  3. Step 3: Cross multiply
    1,263,840.39x = 1,743,673.91 × 719,591.18
  4. Step 4: Simplify right side
    1,263,840.39x = 1,254,732,354,115.79
  5. Step 5: Solve for x
    x = 1,254,732,354,115.79/1,263,840.39
  6. Step 6: Final answer
    x = 992,793.37

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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.