Home / 2,405,624.40-3,608,436.60-722,509.20

Finding the Fourth Proportional to 2,405,624.40, 3,608,436.60 and 722,509.20

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Solution

The fourth proportional to 2,405,624.40, 3,608,436.60 and 722,509.20 is: 1,083,763.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,405,624.40 : 3,608,436.60 = 722,509.20 : x
  2. Step 2: Convert to fraction form
    2,405,624.40/3,608,436.60 = 722,509.20/x
  3. Step 3: Cross multiply
    2,405,624.40x = 3,608,436.60 × 722,509.20
  4. Step 4: Simplify right side
    2,405,624.40x = 2,607,128,641,116.72
  5. Step 5: Solve for x
    x = 2,607,128,641,116.72/2,405,624.40
  6. Step 6: Final answer
    x = 1,083,763.80

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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.