Home / 1,368,026.46-2,052,260.22-421,396.28

Finding the Fourth Proportional to 1,368,026.46, 2,052,260.22 and 421,396.28

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Solution

The fourth proportional to 1,368,026.46, 2,052,260.22 and 421,396.28 is: 632,162.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,368,026.46 : 2,052,260.22 = 421,396.28 : x
  2. Step 2: Convert to fraction form
    1,368,026.46/2,052,260.22 = 421,396.28/x
  3. Step 3: Cross multiply
    1,368,026.46x = 2,052,260.22 × 421,396.28
  4. Step 4: Simplify right side
    1,368,026.46x = 864,814,822,299.98
  5. Step 5: Solve for x
    x = 864,814,822,299.98/1,368,026.46
  6. Step 6: Final answer
    x = 632,162.35

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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.