Home / 1,010,288.88-1,394,178.89-551,406.74

Finding the Fourth Proportional to 1,010,288.88, 1,394,178.89 and 551,406.74

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Solution

The fourth proportional to 1,010,288.88, 1,394,178.89 and 551,406.74 is: 760,930.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,010,288.88 : 1,394,178.89 = 551,406.74 : x
  2. Step 2: Convert to fraction form
    1,010,288.88/1,394,178.89 = 551,406.74/x
  3. Step 3: Cross multiply
    1,010,288.88x = 1,394,178.89 × 551,406.74
  4. Step 4: Simplify right side
    1,010,288.88x = 768,759,633,629.94
  5. Step 5: Solve for x
    x = 768,759,633,629.94/1,010,288.88
  6. Step 6: Final answer
    x = 760,930.51

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1.5x scale

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.