Home / 1,341,998.49-1,852,009.13-769,149.48

Finding the Fourth Proportional to 1,341,998.49, 1,852,009.13 and 769,149.48

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Solution

The fourth proportional to 1,341,998.49, 1,852,009.13 and 769,149.48 is: 1,061,455.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,341,998.49 : 1,852,009.13 = 769,149.48 : x
  2. Step 2: Convert to fraction form
    1,341,998.49/1,852,009.13 = 769,149.48/x
  3. Step 3: Cross multiply
    1,341,998.49x = 1,852,009.13 × 769,149.48
  4. Step 4: Simplify right side
    1,341,998.49x = 1,424,471,859,294.75
  5. Step 5: Solve for x
    x = 1,424,471,859,294.75/1,341,998.49
  6. Step 6: Final answer
    x = 1,061,455.63

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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.