Home / 1,099,408.09-1,649,319.29-416,499.50

Finding the Fourth Proportional to 1,099,408.09, 1,649,319.29 and 416,499.50

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Solution

The fourth proportional to 1,099,408.09, 1,649,319.29 and 416,499.50 is: 624,827.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,099,408.09 : 1,649,319.29 = 416,499.50 : x
  2. Step 2: Convert to fraction form
    1,099,408.09/1,649,319.29 = 416,499.50/x
  3. Step 3: Cross multiply
    1,099,408.09x = 1,649,319.29 × 416,499.50
  4. Step 4: Simplify right side
    1,099,408.09x = 686,940,649,296.26
  5. Step 5: Solve for x
    x = 686,940,649,296.26/1,099,408.09
  6. Step 6: Final answer
    x = 624,827.72

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1.5x scale

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.