Home / 1,687,722.76-2,531,261.58-505,770.76

Finding the Fourth Proportional to 1,687,722.76, 2,531,261.58 and 505,770.76

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Solution

The fourth proportional to 1,687,722.76, 2,531,261.58 and 505,770.76 is: 758,559.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,687,722.76 : 2,531,261.58 = 505,770.76 : x
  2. Step 2: Convert to fraction form
    1,687,722.76/2,531,261.58 = 505,770.76/x
  3. Step 3: Cross multiply
    1,687,722.76x = 2,531,261.58 × 505,770.76
  4. Step 4: Simplify right side
    1,687,722.76x = 1,280,238,093,075.40
  5. Step 5: Solve for x
    x = 1,280,238,093,075.40/1,687,722.76
  6. Step 6: Final answer
    x = 758,559.48

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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.