Home / 1,514,698.73-2,090,274.31-861,324.81

Finding the Fourth Proportional to 1,514,698.73, 2,090,274.31 and 861,324.81

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Solution

The fourth proportional to 1,514,698.73, 2,090,274.31 and 861,324.81 is: 1,188,622.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,514,698.73 : 2,090,274.31 = 861,324.81 : x
  2. Step 2: Convert to fraction form
    1,514,698.73/2,090,274.31 = 861,324.81/x
  3. Step 3: Cross multiply
    1,514,698.73x = 2,090,274.31 × 861,324.81
  4. Step 4: Simplify right side
    1,514,698.73x = 1,800,405,128,938.50
  5. Step 5: Solve for x
    x = 1,800,405,128,938.50/1,514,698.73
  6. Step 6: Final answer
    x = 1,188,622.59

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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.