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Finding the Fourth Proportional to 1,081,875, 1,620,887.94 and 922,486.44

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Solution

The fourth proportional to 1,081,875, 1,620,887.94 and 922,486.44 is: 1,382,088.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,081,875 : 1,620,887.94 = 922,486.44 : x
  2. Step 2: Convert to fraction form
    1,081,875/1,620,887.94 = 922,486.44/x
  3. Step 3: Cross multiply
    1,081,875x = 1,620,887.94 × 922,486.44
  4. Step 4: Simplify right side
    1,081,875x = 1,495,247,145,409.53
  5. Step 5: Solve for x
    x = 1,495,247,145,409.53/1,081,875
  6. Step 6: Final answer
    x = 1,382,088.64

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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.