Home / 1,339,845.57-1,849,145.76-767,070.27

Finding the Fourth Proportional to 1,339,845.57, 1,849,145.76 and 767,070.27

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Solution

The fourth proportional to 1,339,845.57, 1,849,145.76 and 767,070.27 is: 1,058,647.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,339,845.57 : 1,849,145.76 = 767,070.27 : x
  2. Step 2: Convert to fraction form
    1,339,845.57/1,849,145.76 = 767,070.27/x
  3. Step 3: Cross multiply
    1,339,845.57x = 1,849,145.76 × 767,070.27
  4. Step 4: Simplify right side
    1,339,845.57x = 1,418,424,737,392.56
  5. Step 5: Solve for x
    x = 1,418,424,737,392.56/1,339,845.57
  6. Step 6: Final answer
    x = 1,058,647.93

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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.