Home / 1,242,842.27-1,855,190.19-1,066,482.59

Finding the Fourth Proportional to 1,242,842.27, 1,855,190.19 and 1,066,482.59

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Solution

The fourth proportional to 1,242,842.27, 1,855,190.19 and 1,066,482.59 is: 1,591,938.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,242,842.27 : 1,855,190.19 = 1,066,482.59 : x
  2. Step 2: Convert to fraction form
    1,242,842.27/1,855,190.19 = 1,066,482.59/x
  3. Step 3: Cross multiply
    1,242,842.27x = 1,855,190.19 × 1,066,482.59
  4. Step 4: Simplify right side
    1,242,842.27x = 1,978,528,029,497.84
  5. Step 5: Solve for x
    x = 1,978,528,029,497.84/1,242,842.27
  6. Step 6: Final answer
    x = 1,591,938.16

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.