Home / 1,089,647.42-1,634,417.06-406,481.05

Finding the Fourth Proportional to 1,089,647.42, 1,634,417.06 and 406,481.05

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Solution

The fourth proportional to 1,089,647.42, 1,634,417.06 and 406,481.05 is: 609,701.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,089,647.42 : 1,634,417.06 = 406,481.05 : x
  2. Step 2: Convert to fraction form
    1,089,647.42/1,634,417.06 = 406,481.05/x
  3. Step 3: Cross multiply
    1,089,647.42x = 1,634,417.06 × 406,481.05
  4. Step 4: Simplify right side
    1,089,647.42x = 664,359,554,006.53
  5. Step 5: Solve for x
    x = 664,359,554,006.53/1,089,647.42
  6. Step 6: Final answer
    x = 609,701.40

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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.