Home / 1,138,307.37-1,570,802.49-628,976.94

Finding the Fourth Proportional to 1,138,307.37, 1,570,802.49 and 628,976.94

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Solution

The fourth proportional to 1,138,307.37, 1,570,802.49 and 628,976.94 is: 867,954.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,138,307.37 : 1,570,802.49 = 628,976.94 : x
  2. Step 2: Convert to fraction form
    1,138,307.37/1,570,802.49 = 628,976.94/x
  3. Step 3: Cross multiply
    1,138,307.37x = 1,570,802.49 × 628,976.94
  4. Step 4: Simplify right side
    1,138,307.37x = 987,998,543,504.58
  5. Step 5: Solve for x
    x = 987,998,543,504.58/1,138,307.37
  6. Step 6: Final answer
    x = 867,954.10

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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.