Home / 1,325,880.88-1,989,811.85-898,403.18

Finding the Fourth Proportional to 1,325,880.88, 1,989,811.85 and 898,403.18

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Solution

The fourth proportional to 1,325,880.88, 1,989,811.85 and 898,403.18 is: 1,348,275.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,325,880.88 : 1,989,811.85 = 898,403.18 : x
  2. Step 2: Convert to fraction form
    1,325,880.88/1,989,811.85 = 898,403.18/x
  3. Step 3: Cross multiply
    1,325,880.88x = 1,989,811.85 × 898,403.18
  4. Step 4: Simplify right side
    1,325,880.88x = 1,787,653,279,200.61
  5. Step 5: Solve for x
    x = 1,787,653,279,200.61/1,325,880.88
  6. Step 6: Final answer
    x = 1,348,275.93

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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.