Home / 1,525,419.42-2,105,072.87-837,102.75

Finding the Fourth Proportional to 1,525,419.42, 2,105,072.87 and 837,102.75

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Solution

The fourth proportional to 1,525,419.42, 2,105,072.87 and 837,102.75 is: 1,155,198.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,525,419.42 : 2,105,072.87 = 837,102.75 : x
  2. Step 2: Convert to fraction form
    1,525,419.42/2,105,072.87 = 837,102.75/x
  3. Step 3: Cross multiply
    1,525,419.42x = 2,105,072.87 × 837,102.75
  4. Step 4: Simplify right side
    1,525,419.42x = 1,762,162,288,427.39
  5. Step 5: Solve for x
    x = 1,762,162,288,427.39/1,525,419.42
  6. Step 6: Final answer
    x = 1,155,198.54

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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.