Home / 1,558,920.36-2,151,491.61-1,296,812.64

Finding the Fourth Proportional to 1,558,920.36, 2,151,491.61 and 1,296,812.64

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Solution

The fourth proportional to 1,558,920.36, 2,151,491.61 and 1,296,812.64 is: 1,789,752.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,558,920.36 : 2,151,491.61 = 1,296,812.64 : x
  2. Step 2: Convert to fraction form
    1,558,920.36/2,151,491.61 = 1,296,812.64/x
  3. Step 3: Cross multiply
    1,558,920.36x = 2,151,491.61 × 1,296,812.64
  4. Step 4: Simplify right side
    1,558,920.36x = 2,790,081,514,701.95
  5. Step 5: Solve for x
    x = 2,790,081,514,701.95/1,558,920.36
  6. Step 6: Final answer
    x = 1,789,752.44

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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.