Home / 1,137,630.75-1,569,930.44-628,365.93

Finding the Fourth Proportional to 1,137,630.75, 1,569,930.44 and 628,365.93

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Solution

The fourth proportional to 1,137,630.75, 1,569,930.44 and 628,365.93 is: 867,144.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,137,630.75 : 1,569,930.44 = 628,365.93 : x
  2. Step 2: Convert to fraction form
    1,137,630.75/1,569,930.44 = 628,365.93/x
  3. Step 3: Cross multiply
    1,137,630.75x = 1,569,930.44 × 628,365.93
  4. Step 4: Simplify right side
    1,137,630.75x = 986,490,797,824.08
  5. Step 5: Solve for x
    x = 986,490,797,824.08/1,137,630.75
  6. Step 6: Final answer
    x = 867,144.98

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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.