Home / 1,089,488.52-1,634,240.04-379,530

Finding the Fourth Proportional to 1,089,488.52, 1,634,240.04 and 379,530

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Solution

The fourth proportional to 1,089,488.52, 1,634,240.04 and 379,530 is: 569,297.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,089,488.52 : 1,634,240.04 = 379,530 : x
  2. Step 2: Convert to fraction form
    1,089,488.52/1,634,240.04 = 379,530/x
  3. Step 3: Cross multiply
    1,089,488.52x = 1,634,240.04 × 379,530
  4. Step 4: Simplify right side
    1,089,488.52x = 620,243,122,381.20
  5. Step 5: Solve for x
    x = 620,243,122,381.20/1,089,488.52
  6. Step 6: Final answer
    x = 569,297.53

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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.