Home / 1,297,008-1,943,914.56-920,995.20

Finding the Fourth Proportional to 1,297,008, 1,943,914.56 and 920,995.20

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Solution

The fourth proportional to 1,297,008, 1,943,914.56 and 920,995.20 is: 1,380,358.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,297,008 : 1,943,914.56 = 920,995.20 : x
  2. Step 2: Convert to fraction form
    1,297,008/1,943,914.56 = 920,995.20/x
  3. Step 3: Cross multiply
    1,297,008x = 1,943,914.56 × 920,995.20
  4. Step 4: Simplify right side
    1,297,008x = 1,790,335,978,970.11
  5. Step 5: Solve for x
    x = 1,790,335,978,970.11/1,297,008
  6. Step 6: Final answer
    x = 1,380,358.47

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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.