Home / 1,432,067.45-1,976,303.81-787,536.68

Finding the Fourth Proportional to 1,432,067.45, 1,976,303.81 and 787,536.68

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Solution

The fourth proportional to 1,432,067.45, 1,976,303.81 and 787,536.68 is: 1,086,828.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,432,067.45 : 1,976,303.81 = 787,536.68 : x
  2. Step 2: Convert to fraction form
    1,432,067.45/1,976,303.81 = 787,536.68/x
  3. Step 3: Cross multiply
    1,432,067.45x = 1,976,303.81 × 787,536.68
  4. Step 4: Simplify right side
    1,432,067.45x = 1,556,411,733,286.07
  5. Step 5: Solve for x
    x = 1,556,411,733,286.07/1,432,067.45
  6. Step 6: Final answer
    x = 1,086,828.51

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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.