Home / 1,089,286.80-1,633,930.20-556,630.80

Finding the Fourth Proportional to 1,089,286.80, 1,633,930.20 and 556,630.80

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Solution

The fourth proportional to 1,089,286.80, 1,633,930.20 and 556,630.80 is: 834,946.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,089,286.80 : 1,633,930.20 = 556,630.80 : x
  2. Step 2: Convert to fraction form
    1,089,286.80/1,633,930.20 = 556,630.80/x
  3. Step 3: Cross multiply
    1,089,286.80x = 1,633,930.20 × 556,630.80
  4. Step 4: Simplify right side
    1,089,286.80x = 909,495,874,370.16
  5. Step 5: Solve for x
    x = 909,495,874,370.16/1,089,286.80
  6. Step 6: Final answer
    x = 834,946.20

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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.