Home / 1,188,621.60-1,784,244.60-739,849.20

Finding the Fourth Proportional to 1,188,621.60, 1,784,244.60 and 739,849.20

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Solution

The fourth proportional to 1,188,621.60, 1,784,244.60 and 739,849.20 is: 1,110,590.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,188,621.60 : 1,784,244.60 = 739,849.20 : x
  2. Step 2: Convert to fraction form
    1,188,621.60/1,784,244.60 = 739,849.20/x
  3. Step 3: Cross multiply
    1,188,621.60x = 1,784,244.60 × 739,849.20
  4. Step 4: Simplify right side
    1,188,621.60x = 1,320,071,939,914.32
  5. Step 5: Solve for x
    x = 1,320,071,939,914.32/1,188,621.60
  6. Step 6: Final answer
    x = 1,110,590.57

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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.