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Finding the Fourth Proportional to 1,268,201.04, 1,748,587.08 and 1,095,807.44

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Solution

The fourth proportional to 1,268,201.04, 1,748,587.08 and 1,095,807.44 is: 1,510,891.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,268,201.04 : 1,748,587.08 = 1,095,807.44 : x
  2. Step 2: Convert to fraction form
    1,268,201.04/1,748,587.08 = 1,095,807.44/x
  3. Step 3: Cross multiply
    1,268,201.04x = 1,748,587.08 × 1,095,807.44
  4. Step 4: Simplify right side
    1,268,201.04x = 1,916,114,731,751.88
  5. Step 5: Solve for x
    x = 1,916,114,731,751.88/1,268,201.04
  6. Step 6: Final answer
    x = 1,510,891.94

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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.