Home / 1,243,262.45-1,864,893.75-344,704.21

Finding the Fourth Proportional to 1,243,262.45, 1,864,893.75 and 344,704.21

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Solution

The fourth proportional to 1,243,262.45, 1,864,893.75 and 344,704.21 is: 517,056.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,243,262.45 : 1,864,893.75 = 344,704.21 : x
  2. Step 2: Convert to fraction form
    1,243,262.45/1,864,893.75 = 344,704.21/x
  3. Step 3: Cross multiply
    1,243,262.45x = 1,864,893.75 × 344,704.21
  4. Step 4: Simplify right side
    1,243,262.45x = 642,836,722,165.45
  5. Step 5: Solve for x
    x = 642,836,722,165.45/1,243,262.45
  6. Step 6: Final answer
    x = 517,056.33

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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.