Home / 1,195,905.86-1,794,220.93-427,302.91

Finding the Fourth Proportional to 1,195,905.86, 1,794,220.93 and 427,302.91

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Solution

The fourth proportional to 1,195,905.86, 1,794,220.93 and 427,302.91 is: 641,083.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,195,905.86 : 1,794,220.93 = 427,302.91 : x
  2. Step 2: Convert to fraction form
    1,195,905.86/1,794,220.93 = 427,302.91/x
  3. Step 3: Cross multiply
    1,195,905.86x = 1,794,220.93 × 427,302.91
  4. Step 4: Simplify right side
    1,195,905.86x = 766,675,827,348.81
  5. Step 5: Solve for x
    x = 766,675,827,348.81/1,195,905.86
  6. Step 6: Final answer
    x = 641,083.76

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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.