Home / 1,392,608.70-2,088,621.45-683,145.90

Finding the Fourth Proportional to 1,392,608.70, 2,088,621.45 and 683,145.90

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Solution

The fourth proportional to 1,392,608.70, 2,088,621.45 and 683,145.90 is: 1,024,575.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,392,608.70 : 2,088,621.45 = 683,145.90 : x
  2. Step 2: Convert to fraction form
    1,392,608.70/2,088,621.45 = 683,145.90/x
  3. Step 3: Cross multiply
    1,392,608.70x = 2,088,621.45 × 683,145.90
  4. Step 4: Simplify right side
    1,392,608.70x = 1,426,833,180,219.56
  5. Step 5: Solve for x
    x = 1,426,833,180,219.56/1,392,608.70
  6. Step 6: Final answer
    x = 1,024,575.81

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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.