Home / 1,230,306.44-1,845,460.50-420,696.82

Finding the Fourth Proportional to 1,230,306.44, 1,845,460.50 and 420,696.82

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Solution

The fourth proportional to 1,230,306.44, 1,845,460.50 and 420,696.82 is: 631,045.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,230,306.44 : 1,845,460.50 = 420,696.82 : x
  2. Step 2: Convert to fraction form
    1,230,306.44/1,845,460.50 = 420,696.82/x
  3. Step 3: Cross multiply
    1,230,306.44x = 1,845,460.50 × 420,696.82
  4. Step 4: Simplify right side
    1,230,306.44x = 776,379,352,454.82
  5. Step 5: Solve for x
    x = 776,379,352,454.82/1,230,306.44
  6. Step 6: Final answer
    x = 631,045.51

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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.