Home / 751,117.92-1,126,678.80-190,152.48

Finding the Fourth Proportional to 751,117.92, 1,126,678.80 and 190,152.48

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Solution

The fourth proportional to 751,117.92, 1,126,678.80 and 190,152.48 is: 285,229.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    751,117.92 : 1,126,678.80 = 190,152.48 : x
  2. Step 2: Convert to fraction form
    751,117.92/1,126,678.80 = 190,152.48/x
  3. Step 3: Cross multiply
    751,117.92x = 1,126,678.80 × 190,152.48
  4. Step 4: Simplify right side
    751,117.92x = 214,240,767,983.42
  5. Step 5: Solve for x
    x = 214,240,767,983.42/751,117.92
  6. Step 6: Final answer
    x = 285,229.21

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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.