Home / 1,192,887.40-1,788,164.70-1,066,916.20

Finding the Fourth Proportional to 1,192,887.40, 1,788,164.70 and 1,066,916.20

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Solution

The fourth proportional to 1,192,887.40, 1,788,164.70 and 1,066,916.20 is: 1,599,331.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,192,887.40 : 1,788,164.70 = 1,066,916.20 : x
  2. Step 2: Convert to fraction form
    1,192,887.40/1,788,164.70 = 1,066,916.20/x
  3. Step 3: Cross multiply
    1,192,887.40x = 1,788,164.70 × 1,066,916.20
  4. Step 4: Simplify right side
    1,192,887.40x = 1,907,821,886,698.14
  5. Step 5: Solve for x
    x = 1,907,821,886,698.14/1,192,887.40
  6. Step 6: Final answer
    x = 1,599,331.07

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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.