Home / 1,038,906.03-1,433,721.20-636,270.51

Finding the Fourth Proportional to 1,038,906.03, 1,433,721.20 and 636,270.51

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Solution

The fourth proportional to 1,038,906.03, 1,433,721.20 and 636,270.51 is: 878,072.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,038,906.03 : 1,433,721.20 = 636,270.51 : x
  2. Step 2: Convert to fraction form
    1,038,906.03/1,433,721.20 = 636,270.51/x
  3. Step 3: Cross multiply
    1,038,906.03x = 1,433,721.20 × 636,270.51
  4. Step 4: Simplify right side
    1,038,906.03x = 912,234,515,940.46
  5. Step 5: Solve for x
    x = 912,234,515,940.46/1,038,906.03
  6. Step 6: Final answer
    x = 878,072.21

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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.