Home / 1,208,240.20-1,810,805.10-734,422.60

Finding the Fourth Proportional to 1,208,240.20, 1,810,805.10 and 734,422.60

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Solution

The fourth proportional to 1,208,240.20, 1,810,805.10 and 734,422.60 is: 1,100,688.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,208,240.20 : 1,810,805.10 = 734,422.60 : x
  2. Step 2: Convert to fraction form
    1,208,240.20/1,810,805.10 = 734,422.60/x
  3. Step 3: Cross multiply
    1,208,240.20x = 1,810,805.10 × 734,422.60
  4. Step 4: Simplify right side
    1,208,240.20x = 1,329,896,189,635.26
  5. Step 5: Solve for x
    x = 1,329,896,189,635.26/1,208,240.20
  6. Step 6: Final answer
    x = 1,100,688.58

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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.