Home / 1,162,816.16-1,605,178.42-1,090,178.60

Finding the Fourth Proportional to 1,162,816.16, 1,605,178.42 and 1,090,178.60

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Solution

The fourth proportional to 1,162,816.16, 1,605,178.42 and 1,090,178.60 is: 1,504,907.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,162,816.16 : 1,605,178.42 = 1,090,178.60 : x
  2. Step 2: Convert to fraction form
    1,162,816.16/1,605,178.42 = 1,090,178.60/x
  3. Step 3: Cross multiply
    1,162,816.16x = 1,605,178.42 × 1,090,178.60
  4. Step 4: Simplify right side
    1,162,816.16x = 1,749,931,151,914.47
  5. Step 5: Solve for x
    x = 1,749,931,151,914.47/1,162,816.16
  6. Step 6: Final answer
    x = 1,504,907.84

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.