Home / 1,118,017.24-1,542,830.06-621,299.44

Finding the Fourth Proportional to 1,118,017.24, 1,542,830.06 and 621,299.44

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Solution

The fourth proportional to 1,118,017.24, 1,542,830.06 and 621,299.44 is: 857,374.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,118,017.24 : 1,542,830.06 = 621,299.44 : x
  2. Step 2: Convert to fraction form
    1,118,017.24/1,542,830.06 = 621,299.44/x
  3. Step 3: Cross multiply
    1,118,017.24x = 1,542,830.06 × 621,299.44
  4. Step 4: Simplify right side
    1,118,017.24x = 958,559,452,293.17
  5. Step 5: Solve for x
    x = 958,559,452,293.17/1,118,017.24
  6. Step 6: Final answer
    x = 857,374.48

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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.