Home / 1,118,015.24-1,542,827.30-621,297.44

Finding the Fourth Proportional to 1,118,015.24, 1,542,827.30 and 621,297.44

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Solution

The fourth proportional to 1,118,015.24, 1,542,827.30 and 621,297.44 is: 857,371.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,118,015.24 : 1,542,827.30 = 621,297.44 : x
  2. Step 2: Convert to fraction form
    1,118,015.24/1,542,827.30 = 621,297.44/x
  3. Step 3: Cross multiply
    1,118,015.24x = 1,542,827.30 × 621,297.44
  4. Step 4: Simplify right side
    1,118,015.24x = 958,554,651,852.11
  5. Step 5: Solve for x
    x = 958,554,651,852.11/1,118,015.24
  6. Step 6: Final answer
    x = 857,371.72

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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.