Home / 1,434,742.10-1,980,159.35-1,090,010.75

Finding the Fourth Proportional to 1,434,742.10, 1,980,159.35 and 1,090,010.75

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Solution

The fourth proportional to 1,434,742.10, 1,980,159.35 and 1,090,010.75 is: 1,504,378.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,434,742.10 : 1,980,159.35 = 1,090,010.75 : x
  2. Step 2: Convert to fraction form
    1,434,742.10/1,980,159.35 = 1,090,010.75/x
  3. Step 3: Cross multiply
    1,434,742.10x = 1,980,159.35 × 1,090,010.75
  4. Step 4: Simplify right side
    1,434,742.10x = 2,158,394,978,213.01
  5. Step 5: Solve for x
    x = 2,158,394,978,213.01/1,434,742.10
  6. Step 6: Final answer
    x = 1,504,378.37

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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.