Home / 1,686,842.32-2,529,981.60-739,958.80

Finding the Fourth Proportional to 1,686,842.32, 2,529,981.60 and 739,958.80

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Solution

The fourth proportional to 1,686,842.32, 2,529,981.60 and 739,958.80 is: 1,109,814.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,686,842.32 : 2,529,981.60 = 739,958.80 : x
  2. Step 2: Convert to fraction form
    1,686,842.32/2,529,981.60 = 739,958.80/x
  3. Step 3: Cross multiply
    1,686,842.32x = 2,529,981.60 × 739,958.80
  4. Step 4: Simplify right side
    1,686,842.32x = 1,872,082,148,758.08
  5. Step 5: Solve for x
    x = 1,872,082,148,758.08/1,686,842.32
  6. Step 6: Final answer
    x = 1,109,814.55

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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.