Home / 1,099,521-1,649,016.36-459,478.44

Finding the Fourth Proportional to 1,099,521, 1,649,016.36 and 459,478.44

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Solution

The fourth proportional to 1,099,521, 1,649,016.36 and 459,478.44 is: 689,106.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,099,521 : 1,649,016.36 = 459,478.44 : x
  2. Step 2: Convert to fraction form
    1,099,521/1,649,016.36 = 459,478.44/x
  3. Step 3: Cross multiply
    1,099,521x = 1,649,016.36 × 459,478.44
  4. Step 4: Simplify right side
    1,099,521x = 757,687,464,627.28
  5. Step 5: Solve for x
    x = 757,687,464,627.28/1,099,521
  6. Step 6: Final answer
    x = 689,106.86

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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.