Home / 1,100,728.60-1,649,124.60-931,454.80

Finding the Fourth Proportional to 1,100,728.60, 1,649,124.60 and 931,454.80

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Solution

The fourth proportional to 1,100,728.60, 1,649,124.60 and 931,454.80 is: 1,395,516.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,100,728.60 : 1,649,124.60 = 931,454.80 : x
  2. Step 2: Convert to fraction form
    1,100,728.60/1,649,124.60 = 931,454.80/x
  3. Step 3: Cross multiply
    1,100,728.60x = 1,649,124.60 × 931,454.80
  4. Step 4: Simplify right side
    1,100,728.60x = 1,536,085,024,468.08
  5. Step 5: Solve for x
    x = 1,536,085,024,468.08/1,100,728.60
  6. Step 6: Final answer
    x = 1,395,516.59

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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.