Home / 1,089,300.80-1,635,506.40-616,908.80

Finding the Fourth Proportional to 1,089,300.80, 1,635,506.40 and 616,908.80

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Solution

The fourth proportional to 1,089,300.80, 1,635,506.40 and 616,908.80 is: 926,243.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,089,300.80 : 1,635,506.40 = 616,908.80 : x
  2. Step 2: Convert to fraction form
    1,089,300.80/1,635,506.40 = 616,908.80/x
  3. Step 3: Cross multiply
    1,089,300.80x = 1,635,506.40 × 616,908.80
  4. Step 4: Simplify right side
    1,089,300.80x = 1,008,958,290,616.32
  5. Step 5: Solve for x
    x = 1,008,958,290,616.32/1,089,300.80
  6. Step 6: Final answer
    x = 926,243.96

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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.