Home / 1,292,861.38-1,937,944.43-723,407.55

Finding the Fourth Proportional to 1,292,861.38, 1,937,944.43 and 723,407.55

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Solution

The fourth proportional to 1,292,861.38, 1,937,944.43 and 723,407.55 is: 1,084,357.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,292,861.38 : 1,937,944.43 = 723,407.55 : x
  2. Step 2: Convert to fraction form
    1,292,861.38/1,937,944.43 = 723,407.55/x
  3. Step 3: Cross multiply
    1,292,861.38x = 1,937,944.43 × 723,407.55
  4. Step 4: Simplify right side
    1,292,861.38x = 1,401,923,632,142.45
  5. Step 5: Solve for x
    x = 1,401,923,632,142.45/1,292,861.38
  6. Step 6: Final answer
    x = 1,084,357.27

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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.