Home / 1,330,739.69-1,836,438.48-757,782.14

Finding the Fourth Proportional to 1,330,739.69, 1,836,438.48 and 757,782.14

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Solution

The fourth proportional to 1,330,739.69, 1,836,438.48 and 757,782.14 is: 1,045,749.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,330,739.69 : 1,836,438.48 = 757,782.14 : x
  2. Step 2: Convert to fraction form
    1,330,739.69/1,836,438.48 = 757,782.14/x
  3. Step 3: Cross multiply
    1,330,739.69x = 1,836,438.48 × 757,782.14
  4. Step 4: Simplify right side
    1,330,739.69x = 1,391,620,272,170.55
  5. Step 5: Solve for x
    x = 1,391,620,272,170.55/1,330,739.69
  6. Step 6: Final answer
    x = 1,045,749.43

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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.