Home / 1,325,914.57-1,989,862.35-898,436.80

Finding the Fourth Proportional to 1,325,914.57, 1,989,862.35 and 898,436.80

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Solution

The fourth proportional to 1,325,914.57, 1,989,862.35 and 898,436.80 is: 1,348,326.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,325,914.57 : 1,989,862.35 = 898,436.80 : x
  2. Step 2: Convert to fraction form
    1,325,914.57/1,989,862.35 = 898,436.80/x
  3. Step 3: Cross multiply
    1,325,914.57x = 1,989,862.35 × 898,436.80
  4. Step 4: Simplify right side
    1,325,914.57x = 1,787,765,562,174.48
  5. Step 5: Solve for x
    x = 1,787,765,562,174.48/1,325,914.57
  6. Step 6: Final answer
    x = 1,348,326.36

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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.