Home / 1,108,116.43-1,529,179.89-624,681.90

Finding the Fourth Proportional to 1,108,116.43, 1,529,179.89 and 624,681.90

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Solution

The fourth proportional to 1,108,116.43, 1,529,179.89 and 624,681.90 is: 862,049.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,108,116.43 : 1,529,179.89 = 624,681.90 : x
  2. Step 2: Convert to fraction form
    1,108,116.43/1,529,179.89 = 624,681.90/x
  3. Step 3: Cross multiply
    1,108,116.43x = 1,529,179.89 × 624,681.90
  4. Step 4: Simplify right side
    1,108,116.43x = 955,250,999,126.99
  5. Step 5: Solve for x
    x = 955,250,999,126.99/1,108,116.43
  6. Step 6: Final answer
    x = 862,049.31

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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.