Home / 1,198,521.78-1,651,821.27-907,435.98

Finding the Fourth Proportional to 1,198,521.78, 1,651,821.27 and 907,435.98

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Solution

The fourth proportional to 1,198,521.78, 1,651,821.27 and 907,435.98 is: 1,250,642.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,198,521.78 : 1,651,821.27 = 907,435.98 : x
  2. Step 2: Convert to fraction form
    1,198,521.78/1,651,821.27 = 907,435.98/x
  3. Step 3: Cross multiply
    1,198,521.78x = 1,651,821.27 × 907,435.98
  4. Step 4: Simplify right side
    1,198,521.78x = 1,498,922,052,927.29
  5. Step 5: Solve for x
    x = 1,498,922,052,927.29/1,198,521.78
  6. Step 6: Final answer
    x = 1,250,642.31

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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.