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Finding the Fourth Proportional to 1,230,067, 1,845,411.54 and 343,603

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Solution

The fourth proportional to 1,230,067, 1,845,411.54 and 343,603 is: 515,491.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,230,067 : 1,845,411.54 = 343,603 : x
  2. Step 2: Convert to fraction form
    1,230,067/1,845,411.54 = 343,603/x
  3. Step 3: Cross multiply
    1,230,067x = 1,845,411.54 × 343,603
  4. Step 4: Simplify right side
    1,230,067x = 634,088,941,378.62
  5. Step 5: Solve for x
    x = 634,088,941,378.62/1,230,067
  6. Step 6: Final answer
    x = 515,491.38

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.