Home / 1,036,745.55-1,555,118.33-438,382.35

Finding the Fourth Proportional to 1,036,745.55, 1,555,118.33 and 438,382.35

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Solution

The fourth proportional to 1,036,745.55, 1,555,118.33 and 438,382.35 is: 657,573.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,036,745.55 : 1,555,118.33 = 438,382.35 : x
  2. Step 2: Convert to fraction form
    1,036,745.55/1,555,118.33 = 438,382.35/x
  3. Step 3: Cross multiply
    1,036,745.55x = 1,555,118.33 × 438,382.35
  4. Step 4: Simplify right side
    1,036,745.55x = 681,736,428,033.48
  5. Step 5: Solve for x
    x = 681,736,428,033.48/1,036,745.55
  6. Step 6: Final answer
    x = 657,573.53

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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.