Home / 1,379,366.51-1,903,525.78-767,558.68

Finding the Fourth Proportional to 1,379,366.51, 1,903,525.78 and 767,558.68

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Solution

The fourth proportional to 1,379,366.51, 1,903,525.78 and 767,558.68 is: 1,059,230.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,379,366.51 : 1,903,525.78 = 767,558.68 : x
  2. Step 2: Convert to fraction form
    1,379,366.51/1,903,525.78 = 767,558.68/x
  3. Step 3: Cross multiply
    1,379,366.51x = 1,903,525.78 × 767,558.68
  4. Step 4: Simplify right side
    1,379,366.51x = 1,461,067,728,365.06
  5. Step 5: Solve for x
    x = 1,461,067,728,365.06/1,379,366.51
  6. Step 6: Final answer
    x = 1,059,230.98

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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.