Home / 1,085,310.84-1,620,061.71-1,005,266.64

Finding the Fourth Proportional to 1,085,310.84, 1,620,061.71 and 1,005,266.64

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Solution

The fourth proportional to 1,085,310.84, 1,620,061.71 and 1,005,266.64 is: 1,500,578.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,085,310.84 : 1,620,061.71 = 1,005,266.64 : x
  2. Step 2: Convert to fraction form
    1,085,310.84/1,620,061.71 = 1,005,266.64/x
  3. Step 3: Cross multiply
    1,085,310.84x = 1,620,061.71 × 1,005,266.64
  4. Step 4: Simplify right side
    1,085,310.84x = 1,628,593,991,804.35
  5. Step 5: Solve for x
    x = 1,628,593,991,804.35/1,085,310.84
  6. Step 6: Final answer
    x = 1,500,578.39

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.