Home / 1,207,817.80-1,815,225.90-1,186,822.60

Finding the Fourth Proportional to 1,207,817.80, 1,815,225.90 and 1,186,822.60

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Solution

The fourth proportional to 1,207,817.80, 1,815,225.90 and 1,186,822.60 is: 1,783,672.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,207,817.80 : 1,815,225.90 = 1,186,822.60 : x
  2. Step 2: Convert to fraction form
    1,207,817.80/1,815,225.90 = 1,186,822.60/x
  3. Step 3: Cross multiply
    1,207,817.80x = 1,815,225.90 × 1,186,822.60
  4. Step 4: Simplify right side
    1,207,817.80x = 2,154,351,122,225.34
  5. Step 5: Solve for x
    x = 2,154,351,122,225.34/1,207,817.80
  6. Step 6: Final answer
    x = 1,783,672.27

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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.