Home / 1,342,131.52-1,852,218.13-769,267.12

Finding the Fourth Proportional to 1,342,131.52, 1,852,218.13 and 769,267.12

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Solution

The fourth proportional to 1,342,131.52, 1,852,218.13 and 769,267.12 is: 1,061,632.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,342,131.52 : 1,852,218.13 = 769,267.12 : x
  2. Step 2: Convert to fraction form
    1,342,131.52/1,852,218.13 = 769,267.12/x
  3. Step 3: Cross multiply
    1,342,131.52x = 1,852,218.13 × 769,267.12
  4. Step 4: Simplify right side
    1,342,131.52x = 1,424,850,495,292.63
  5. Step 5: Solve for x
    x = 1,424,850,495,292.63/1,342,131.52
  6. Step 6: Final answer
    x = 1,061,632.54

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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.