Home / 1,529,621.22-2,111,141.50-885,396.64

Finding the Fourth Proportional to 1,529,621.22, 2,111,141.50 and 885,396.64

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Solution

The fourth proportional to 1,529,621.22, 2,111,141.50 and 885,396.64 is: 1,222,000.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,529,621.22 : 2,111,141.50 = 885,396.64 : x
  2. Step 2: Convert to fraction form
    1,529,621.22/2,111,141.50 = 885,396.64/x
  3. Step 3: Cross multiply
    1,529,621.22x = 2,111,141.50 × 885,396.64
  4. Step 4: Simplify right side
    1,529,621.22x = 1,869,197,590,664.56
  5. Step 5: Solve for x
    x = 1,869,197,590,664.56/1,529,621.22
  6. Step 6: Final answer
    x = 1,222,000.30

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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.