Home / 1,010,632.44-1,394,636.22-557,913.72

Finding the Fourth Proportional to 1,010,632.44, 1,394,636.22 and 557,913.72

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Solution

The fourth proportional to 1,010,632.44, 1,394,636.22 and 557,913.72 is: 769,900.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,010,632.44 : 1,394,636.22 = 557,913.72 : x
  2. Step 2: Convert to fraction form
    1,010,632.44/1,394,636.22 = 557,913.72/x
  3. Step 3: Cross multiply
    1,010,632.44x = 1,394,636.22 × 557,913.72
  4. Step 4: Simplify right side
    1,010,632.44x = 778,086,681,546.94
  5. Step 5: Solve for x
    x = 778,086,681,546.94/1,010,632.44
  6. Step 6: Final answer
    x = 769,900.76

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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.