Home / 1,367,991.22-2,052,207.32-421,361.50

Finding the Fourth Proportional to 1,367,991.22, 2,052,207.32 and 421,361.50

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Solution

The fourth proportional to 1,367,991.22, 2,052,207.32 and 421,361.50 is: 632,110.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,367,991.22 : 2,052,207.32 = 421,361.50 : x
  2. Step 2: Convert to fraction form
    1,367,991.22/2,052,207.32 = 421,361.50/x
  3. Step 3: Cross multiply
    1,367,991.22x = 2,052,207.32 × 421,361.50
  4. Step 4: Simplify right side
    1,367,991.22x = 864,721,154,666.18
  5. Step 5: Solve for x
    x = 864,721,154,666.18/1,367,991.22
  6. Step 6: Final answer
    x = 632,110.16

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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.