Home / 1,539,072.80-2,305,984.80-1,313,374.40

Finding the Fourth Proportional to 1,539,072.80, 2,305,984.80 and 1,313,374.40

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Solution

The fourth proportional to 1,539,072.80, 2,305,984.80 and 1,313,374.40 is: 1,967,822.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,539,072.80 : 2,305,984.80 = 1,313,374.40 : x
  2. Step 2: Convert to fraction form
    1,539,072.80/2,305,984.80 = 1,313,374.40/x
  3. Step 3: Cross multiply
    1,539,072.80x = 2,305,984.80 × 1,313,374.40
  4. Step 4: Simplify right side
    1,539,072.80x = 3,028,621,403,109.12
  5. Step 5: Solve for x
    x = 3,028,621,403,109.12/1,539,072.80
  6. Step 6: Final answer
    x = 1,967,822.06

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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.