Home / 1,455,639.80-2,184,115.80-697,188.20

Finding the Fourth Proportional to 1,455,639.80, 2,184,115.80 and 697,188.20

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Solution

The fourth proportional to 1,455,639.80, 2,184,115.80 and 697,188.20 is: 1,046,096.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,455,639.80 : 2,184,115.80 = 697,188.20 : x
  2. Step 2: Convert to fraction form
    1,455,639.80/2,184,115.80 = 697,188.20/x
  3. Step 3: Cross multiply
    1,455,639.80x = 2,184,115.80 × 697,188.20
  4. Step 4: Simplify right side
    1,455,639.80x = 1,522,739,763,193.56
  5. Step 5: Solve for x
    x = 1,522,739,763,193.56/1,455,639.80
  6. Step 6: Final answer
    x = 1,046,096.54

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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.