Home / 1,297,780.75-1,946,671.11-488,317.36

Finding the Fourth Proportional to 1,297,780.75, 1,946,671.11 and 488,317.36

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Solution

The fourth proportional to 1,297,780.75, 1,946,671.11 and 488,317.36 is: 732,476.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,297,780.75 : 1,946,671.11 = 488,317.36 : x
  2. Step 2: Convert to fraction form
    1,297,780.75/1,946,671.11 = 488,317.36/x
  3. Step 3: Cross multiply
    1,297,780.75x = 1,946,671.11 × 488,317.36
  4. Step 4: Simplify right side
    1,297,780.75x = 950,593,297,223.47
  5. Step 5: Solve for x
    x = 950,593,297,223.47/1,297,780.75
  6. Step 6: Final answer
    x = 732,476.03

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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.