Home / 1,323,640.81-1,827,023.64-1,144,279.47

Finding the Fourth Proportional to 1,323,640.81, 1,827,023.64 and 1,144,279.47

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Solution

The fourth proportional to 1,323,640.81, 1,827,023.64 and 1,144,279.47 is: 1,579,450.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,323,640.81 : 1,827,023.64 = 1,144,279.47 : x
  2. Step 2: Convert to fraction form
    1,323,640.81/1,827,023.64 = 1,144,279.47/x
  3. Step 3: Cross multiply
    1,323,640.81x = 1,827,023.64 × 1,144,279.47
  4. Step 4: Simplify right side
    1,323,640.81x = 2,090,625,645,016.96
  5. Step 5: Solve for x
    x = 2,090,625,645,016.96/1,323,640.81
  6. Step 6: Final answer
    x = 1,579,450.88

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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.