Home / 1,646,728.82-2,273,880.77-1,035,078.57

Finding the Fourth Proportional to 1,646,728.82, 2,273,880.77 and 1,035,078.57

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Solution

The fourth proportional to 1,646,728.82, 2,273,880.77 and 1,035,078.57 is: 1,429,285.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,646,728.82 : 2,273,880.77 = 1,035,078.57 : x
  2. Step 2: Convert to fraction form
    1,646,728.82/2,273,880.77 = 1,035,078.57/x
  3. Step 3: Cross multiply
    1,646,728.82x = 2,273,880.77 × 1,035,078.57
  4. Step 4: Simplify right side
    1,646,728.82x = 2,353,645,250,586.71
  5. Step 5: Solve for x
    x = 2,353,645,250,586.71/1,646,728.82
  6. Step 6: Final answer
    x = 1,429,285.28

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.