Home / 1,200,374.85-1,798,563.19-844,641.53

Finding the Fourth Proportional to 1,200,374.85, 1,798,563.19 and 844,641.53

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Solution

The fourth proportional to 1,200,374.85, 1,798,563.19 and 844,641.53 is: 1,265,555.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,200,374.85 : 1,798,563.19 = 844,641.53 : x
  2. Step 2: Convert to fraction form
    1,200,374.85/1,798,563.19 = 844,641.53/x
  3. Step 3: Cross multiply
    1,200,374.85x = 1,798,563.19 × 844,641.53
  4. Step 4: Simplify right side
    1,200,374.85x = 1,519,141,164,603.28
  5. Step 5: Solve for x
    x = 1,519,141,164,603.28/1,200,374.85
  6. Step 6: Final answer
    x = 1,265,555.64

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.