Home / 751,570.30-1,127,355.45-190,604.80

Finding the Fourth Proportional to 751,570.30, 1,127,355.45 and 190,604.80

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Solution

The fourth proportional to 751,570.30, 1,127,355.45 and 190,604.80 is: 285,907.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    751,570.30 : 1,127,355.45 = 190,604.80 : x
  2. Step 2: Convert to fraction form
    751,570.30/1,127,355.45 = 190,604.80/x
  3. Step 3: Cross multiply
    751,570.30x = 1,127,355.45 × 190,604.80
  4. Step 4: Simplify right side
    751,570.30x = 214,879,360,076.16
  5. Step 5: Solve for x
    x = 214,879,360,076.16/751,570.30
  6. Step 6: Final answer
    x = 285,907.20

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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.