Home / 1,108,311.06-1,529,438.72-624,872.01

Finding the Fourth Proportional to 1,108,311.06, 1,529,438.72 and 624,872.01

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Solution

The fourth proportional to 1,108,311.06, 1,529,438.72 and 624,872.01 is: 862,306.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,108,311.06 : 1,529,438.72 = 624,872.01 : x
  2. Step 2: Convert to fraction form
    1,108,311.06/1,529,438.72 = 624,872.01/x
  3. Step 3: Cross multiply
    1,108,311.06x = 1,529,438.72 × 624,872.01
  4. Step 4: Simplify right side
    1,108,311.06x = 955,703,444,013.87
  5. Step 5: Solve for x
    x = 955,703,444,013.87/1,108,311.06
  6. Step 6: Final answer
    x = 862,306.15

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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.