Home / 1,690,074.36-2,533,405.67-1,059,431.04

Finding the Fourth Proportional to 1,690,074.36, 2,533,405.67 and 1,059,431.04

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Solution

The fourth proportional to 1,690,074.36, 2,533,405.67 and 1,059,431.04 is: 1,588,077.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,690,074.36 : 2,533,405.67 = 1,059,431.04 : x
  2. Step 2: Convert to fraction form
    1,690,074.36/2,533,405.67 = 1,059,431.04/x
  3. Step 3: Cross multiply
    1,690,074.36x = 2,533,405.67 × 1,059,431.04
  4. Step 4: Simplify right side
    1,690,074.36x = 2,683,968,591,042.97
  5. Step 5: Solve for x
    x = 2,683,968,591,042.97/1,690,074.36
  6. Step 6: Final answer
    x = 1,588,077.22

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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.