Home / 1,009,781.42-1,393,498.26-557,072.42

Finding the Fourth Proportional to 1,009,781.42, 1,393,498.26 and 557,072.42

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Solution

The fourth proportional to 1,009,781.42, 1,393,498.26 and 557,072.42 is: 768,759.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,009,781.42 : 1,393,498.26 = 557,072.42 : x
  2. Step 2: Convert to fraction form
    1,009,781.42/1,393,498.26 = 557,072.42/x
  3. Step 3: Cross multiply
    1,009,781.42x = 1,393,498.26 × 557,072.42
  4. Step 4: Simplify right side
    1,009,781.42x = 776,279,447,963.99
  5. Step 5: Solve for x
    x = 776,279,447,963.99/1,009,781.42
  6. Step 6: Final answer
    x = 768,759.88

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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.