Home / 1,268,011.55-1,748,835.60-1,114,721.97

Finding the Fourth Proportional to 1,268,011.55, 1,748,835.60 and 1,114,721.97

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Solution

The fourth proportional to 1,268,011.55, 1,748,835.60 and 1,114,721.97 is: 1,537,419.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,268,011.55 : 1,748,835.60 = 1,114,721.97 : x
  2. Step 2: Convert to fraction form
    1,268,011.55/1,748,835.60 = 1,114,721.97/x
  3. Step 3: Cross multiply
    1,268,011.55x = 1,748,835.60 × 1,114,721.97
  4. Step 4: Simplify right side
    1,268,011.55x = 1,949,465,465,238.13
  5. Step 5: Solve for x
    x = 1,949,465,465,238.13/1,268,011.55
  6. Step 6: Final answer
    x = 1,537,419.33

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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.