Home / 1,529,614.22-2,111,131.83-885,389.63

Finding the Fourth Proportional to 1,529,614.22, 2,111,131.83 and 885,389.63

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Solution

The fourth proportional to 1,529,614.22, 2,111,131.83 and 885,389.63 is: 1,221,990.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,529,614.22 : 2,111,131.83 = 885,389.63 : x
  2. Step 2: Convert to fraction form
    1,529,614.22/2,111,131.83 = 885,389.63/x
  3. Step 3: Cross multiply
    1,529,614.22x = 2,111,131.83 × 885,389.63
  4. Step 4: Simplify right side
    1,529,614.22x = 1,869,174,219,289.26
  5. Step 5: Solve for x
    x = 1,869,174,219,289.26/1,529,614.22
  6. Step 6: Final answer
    x = 1,221,990.62

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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.