Home / 1,311,994.37-1,810,561.26-731,254.93

Finding the Fourth Proportional to 1,311,994.37, 1,810,561.26 and 731,254.93

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Solution

The fourth proportional to 1,311,994.37, 1,810,561.26 and 731,254.93 is: 1,009,136.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,311,994.37 : 1,810,561.26 = 731,254.93 : x
  2. Step 2: Convert to fraction form
    1,311,994.37/1,810,561.26 = 731,254.93/x
  3. Step 3: Cross multiply
    1,311,994.37x = 1,810,561.26 × 731,254.93
  4. Step 4: Simplify right side
    1,311,994.37x = 1,323,981,847,591.44
  5. Step 5: Solve for x
    x = 1,323,981,847,591.44/1,311,994.37
  6. Step 6: Final answer
    x = 1,009,136.84

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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.