Home / 1,367,985.96-2,052,199.44-421,356.24

Finding the Fourth Proportional to 1,367,985.96, 2,052,199.44 and 421,356.24

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Solution

The fourth proportional to 1,367,985.96, 2,052,199.44 and 421,356.24 is: 632,102.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,367,985.96 : 2,052,199.44 = 421,356.24 : x
  2. Step 2: Convert to fraction form
    1,367,985.96/2,052,199.44 = 421,356.24/x
  3. Step 3: Cross multiply
    1,367,985.96x = 2,052,199.44 × 421,356.24
  4. Step 4: Simplify right side
    1,367,985.96x = 864,707,039,768.51
  5. Step 5: Solve for x
    x = 864,707,039,768.51/1,367,985.96
  6. Step 6: Final answer
    x = 632,102.28

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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.