Home / 1,192,851.40-1,788,110.70-1,066,880.20

Finding the Fourth Proportional to 1,192,851.40, 1,788,110.70 and 1,066,880.20

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Solution

The fourth proportional to 1,192,851.40, 1,788,110.70 and 1,066,880.20 is: 1,599,277.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,192,851.40 : 1,788,110.70 = 1,066,880.20 : x
  2. Step 2: Convert to fraction form
    1,192,851.40/1,788,110.70 = 1,066,880.20/x
  3. Step 3: Cross multiply
    1,192,851.40x = 1,788,110.70 × 1,066,880.20
  4. Step 4: Simplify right side
    1,192,851.40x = 1,907,699,901,238.14
  5. Step 5: Solve for x
    x = 1,907,699,901,238.14/1,192,851.40
  6. Step 6: Final answer
    x = 1,599,277.08

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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.