Home / 1,005,995.07-1,388,266.79-570,494.97

Finding the Fourth Proportional to 1,005,995.07, 1,388,266.79 and 570,494.97

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Solution

The fourth proportional to 1,005,995.07, 1,388,266.79 and 570,494.97 is: 787,279.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,005,995.07 : 1,388,266.79 = 570,494.97 : x
  2. Step 2: Convert to fraction form
    1,005,995.07/1,388,266.79 = 570,494.97/x
  3. Step 3: Cross multiply
    1,005,995.07x = 1,388,266.79 × 570,494.97
  4. Step 4: Simplify right side
    1,005,995.07x = 791,999,217,860.57
  5. Step 5: Solve for x
    x = 791,999,217,860.57/1,005,995.07
  6. Step 6: Final answer
    x = 787,279.42

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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.