Home / 1,197,119.76-1,786,921.14-1,055,406.48

Finding the Fourth Proportional to 1,197,119.76, 1,786,921.14 and 1,055,406.48

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Solution

The fourth proportional to 1,197,119.76, 1,786,921.14 and 1,055,406.48 is: 1,575,388.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,197,119.76 : 1,786,921.14 = 1,055,406.48 : x
  2. Step 2: Convert to fraction form
    1,197,119.76/1,786,921.14 = 1,055,406.48/x
  3. Step 3: Cross multiply
    1,197,119.76x = 1,786,921.14 × 1,055,406.48
  4. Step 4: Simplify right side
    1,197,119.76x = 1,885,928,150,404.99
  5. Step 5: Solve for x
    x = 1,885,928,150,404.99/1,197,119.76
  6. Step 6: Final answer
    x = 1,575,388.04

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.