Home / 1,345,283.52-1,855,441.49-861,893.94

Finding the Fourth Proportional to 1,345,283.52, 1,855,441.49 and 861,893.94

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Solution

The fourth proportional to 1,345,283.52, 1,855,441.49 and 861,893.94 is: 1,188,741.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,345,283.52 : 1,855,441.49 = 861,893.94 : x
  2. Step 2: Convert to fraction form
    1,345,283.52/1,855,441.49 = 861,893.94/x
  3. Step 3: Cross multiply
    1,345,283.52x = 1,855,441.49 × 861,893.94
  4. Step 4: Simplify right side
    1,345,283.52x = 1,599,193,762,668.89
  5. Step 5: Solve for x
    x = 1,599,193,762,668.89/1,345,283.52
  6. Step 6: Final answer
    x = 1,188,741.07

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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.