Home / 1,399,731.60-2,099,597.40-1,119,795.60

Finding the Fourth Proportional to 1,399,731.60, 2,099,597.40 and 1,119,795.60

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Solution

The fourth proportional to 1,399,731.60, 2,099,597.40 and 1,119,795.60 is: 1,679,693.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,399,731.60 : 2,099,597.40 = 1,119,795.60 : x
  2. Step 2: Convert to fraction form
    1,399,731.60/2,099,597.40 = 1,119,795.60/x
  3. Step 3: Cross multiply
    1,399,731.60x = 2,099,597.40 × 1,119,795.60
  4. Step 4: Simplify right side
    1,399,731.60x = 2,351,119,930,291.44
  5. Step 5: Solve for x
    x = 2,351,119,930,291.44/1,399,731.60
  6. Step 6: Final answer
    x = 1,679,693.40

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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.