Home / 1,122,810.80-1,685,771.40-886,420.40

Finding the Fourth Proportional to 1,122,810.80, 1,685,771.40 and 886,420.40

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Solution

The fourth proportional to 1,122,810.80, 1,685,771.40 and 886,420.40 is: 1,330,858.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,122,810.80 : 1,685,771.40 = 886,420.40 : x
  2. Step 2: Convert to fraction form
    1,122,810.80/1,685,771.40 = 886,420.40/x
  3. Step 3: Cross multiply
    1,122,810.80x = 1,685,771.40 × 886,420.40
  4. Step 4: Simplify right side
    1,122,810.80x = 1,494,302,158,696.56
  5. Step 5: Solve for x
    x = 1,494,302,158,696.56/1,122,810.80
  6. Step 6: Final answer
    x = 1,330,858.38

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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.