Home / 1,138,519.43-1,707,749.73-370,012.84

Finding the Fourth Proportional to 1,138,519.43, 1,707,749.73 and 370,012.84

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Solution

The fourth proportional to 1,138,519.43, 1,707,749.73 and 370,012.84 is: 555,009.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,138,519.43 : 1,707,749.73 = 370,012.84 : x
  2. Step 2: Convert to fraction form
    1,138,519.43/1,707,749.73 = 370,012.84/x
  3. Step 3: Cross multiply
    1,138,519.43x = 1,707,749.73 × 370,012.84
  4. Step 4: Simplify right side
    1,138,519.43x = 631,889,319,067.79
  5. Step 5: Solve for x
    x = 631,889,319,067.79/1,138,519.43
  6. Step 6: Final answer
    x = 555,009.70

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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.