Home / 1,089,788.74-1,634,692.24-379,815.64

Finding the Fourth Proportional to 1,089,788.74, 1,634,692.24 and 379,815.64

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Solution

The fourth proportional to 1,089,788.74, 1,634,692.24 and 379,815.64 is: 569,726.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,089,788.74 : 1,634,692.24 = 379,815.64 : x
  2. Step 2: Convert to fraction form
    1,089,788.74/1,634,692.24 = 379,815.64/x
  3. Step 3: Cross multiply
    1,089,788.74x = 1,634,692.24 × 379,815.64
  4. Step 4: Simplify right side
    1,089,788.74x = 620,881,679,338.63
  5. Step 5: Solve for x
    x = 620,881,679,338.63/1,089,788.74
  6. Step 6: Final answer
    x = 569,726.64

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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.