Home / 1,089,994.24-1,635,060.48-342,069.76

Finding the Fourth Proportional to 1,089,994.24, 1,635,060.48 and 342,069.76

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Solution

The fourth proportional to 1,089,994.24, 1,635,060.48 and 342,069.76 is: 513,126.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,089,994.24 : 1,635,060.48 = 342,069.76 : x
  2. Step 2: Convert to fraction form
    1,089,994.24/1,635,060.48 = 342,069.76/x
  3. Step 3: Cross multiply
    1,089,994.24x = 1,635,060.48 × 342,069.76
  4. Step 4: Simplify right side
    1,089,994.24x = 559,304,745,979.09
  5. Step 5: Solve for x
    x = 559,304,745,979.09/1,089,994.24
  6. Step 6: Final answer
    x = 513,126.33

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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.