Home / 1,325,913.57-1,989,860.85-898,435.80

Finding the Fourth Proportional to 1,325,913.57, 1,989,860.85 and 898,435.80

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Solution

The fourth proportional to 1,325,913.57, 1,989,860.85 and 898,435.80 is: 1,348,324.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,325,913.57 : 1,989,860.85 = 898,435.80 : x
  2. Step 2: Convert to fraction form
    1,325,913.57/1,989,860.85 = 898,435.80/x
  3. Step 3: Cross multiply
    1,325,913.57x = 1,989,860.85 × 898,435.80
  4. Step 4: Simplify right side
    1,325,913.57x = 1,787,762,224,658.43
  5. Step 5: Solve for x
    x = 1,787,762,224,658.43/1,325,913.57
  6. Step 6: Final answer
    x = 1,348,324.86

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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.