Home / 1,673,509.82-2,309,435.42-909,563.45

Finding the Fourth Proportional to 1,673,509.82, 2,309,435.42 and 909,563.45

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Solution

The fourth proportional to 1,673,509.82, 2,309,435.42 and 909,563.45 is: 1,255,193.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,673,509.82 : 2,309,435.42 = 909,563.45 : x
  2. Step 2: Convert to fraction form
    1,673,509.82/2,309,435.42 = 909,563.45/x
  3. Step 3: Cross multiply
    1,673,509.82x = 2,309,435.42 × 909,563.45
  4. Step 4: Simplify right side
    1,673,509.82x = 2,100,578,032,072.40
  5. Step 5: Solve for x
    x = 2,100,578,032,072.40/1,673,509.82
  6. Step 6: Final answer
    x = 1,255,193.14

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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.