Home / 1,432,879.98-1,977,374.37-788,286.33

Finding the Fourth Proportional to 1,432,879.98, 1,977,374.37 and 788,286.33

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Solution

The fourth proportional to 1,432,879.98, 1,977,374.37 and 788,286.33 is: 1,087,835.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,432,879.98 : 1,977,374.37 = 788,286.33 : x
  2. Step 2: Convert to fraction form
    1,432,879.98/1,977,374.37 = 788,286.33/x
  3. Step 3: Cross multiply
    1,432,879.98x = 1,977,374.37 × 788,286.33
  4. Step 4: Simplify right side
    1,432,879.98x = 1,558,737,185,163.36
  5. Step 5: Solve for x
    x = 1,558,737,185,163.36/1,432,879.98
  6. Step 6: Final answer
    x = 1,087,835.13

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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.