Home / 1,099,872.60-1,649,808.90-910,915.80

Finding the Fourth Proportional to 1,099,872.60, 1,649,808.90 and 910,915.80

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Solution

The fourth proportional to 1,099,872.60, 1,649,808.90 and 910,915.80 is: 1,366,373.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,099,872.60 : 1,649,808.90 = 910,915.80 : x
  2. Step 2: Convert to fraction form
    1,099,872.60/1,649,808.90 = 910,915.80/x
  3. Step 3: Cross multiply
    1,099,872.60x = 1,649,808.90 × 910,915.80
  4. Step 4: Simplify right side
    1,099,872.60x = 1,502,836,993,990.62
  5. Step 5: Solve for x
    x = 1,502,836,993,990.62/1,099,872.60
  6. Step 6: Final answer
    x = 1,366,373.70

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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.