Home / 751,454-1,127,246.61-190,488.50

Finding the Fourth Proportional to 751,454, 1,127,246.61 and 190,488.50

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Solution

The fourth proportional to 751,454, 1,127,246.61 and 190,488.50 is: 285,749.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    751,454 : 1,127,246.61 = 190,488.50 : x
  2. Step 2: Convert to fraction form
    751,454/1,127,246.61 = 190,488.50/x
  3. Step 3: Cross multiply
    751,454x = 1,127,246.61 × 190,488.50
  4. Step 4: Simplify right side
    751,454x = 214,727,515,868.99
  5. Step 5: Solve for x
    x = 214,727,515,868.99/751,454
  6. Step 6: Final answer
    x = 285,749.38

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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.