Home / 1,055,782.50-1,455,367.55-647,126.97

Finding the Fourth Proportional to 1,055,782.50, 1,455,367.55 and 647,126.97

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Solution

The fourth proportional to 1,055,782.50, 1,455,367.55 and 647,126.97 is: 892,046.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,055,782.50 : 1,455,367.55 = 647,126.97 : x
  2. Step 2: Convert to fraction form
    1,055,782.50/1,455,367.55 = 647,126.97/x
  3. Step 3: Cross multiply
    1,055,782.50x = 1,455,367.55 × 647,126.97
  4. Step 4: Simplify right side
    1,055,782.50x = 941,807,589,632.19
  5. Step 5: Solve for x
    x = 941,807,589,632.19/1,055,782.50
  6. Step 6: Final answer
    x = 892,046.98

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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.