Home / 1,302,356.36-1,954,200.72-620,014.28

Finding the Fourth Proportional to 1,302,356.36, 1,954,200.72 and 620,014.28

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Solution

The fourth proportional to 1,302,356.36, 1,954,200.72 and 620,014.28 is: 930,338.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,302,356.36 : 1,954,200.72 = 620,014.28 : x
  2. Step 2: Convert to fraction form
    1,302,356.36/1,954,200.72 = 620,014.28/x
  3. Step 3: Cross multiply
    1,302,356.36x = 1,954,200.72 × 620,014.28
  4. Step 4: Simplify right side
    1,302,356.36x = 1,211,632,352,386.28
  5. Step 5: Solve for x
    x = 1,211,632,352,386.28/1,302,356.36
  6. Step 6: Final answer
    x = 930,338.57

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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.