Home / 1,112,735.54-1,668,869.76-313,830.25

Finding the Fourth Proportional to 1,112,735.54, 1,668,869.76 and 313,830.25

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Solution

The fourth proportional to 1,112,735.54, 1,668,869.76 and 313,830.25 is: 470,679.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,112,735.54 : 1,668,869.76 = 313,830.25 : x
  2. Step 2: Convert to fraction form
    1,112,735.54/1,668,869.76 = 313,830.25/x
  3. Step 3: Cross multiply
    1,112,735.54x = 1,668,869.76 × 313,830.25
  4. Step 4: Simplify right side
    1,112,735.54x = 523,741,809,826.07
  5. Step 5: Solve for x
    x = 523,741,809,826.07/1,112,735.54
  6. Step 6: Final answer
    x = 470,679.50

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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.