Home / 1,303,201.80-1,954,802.70-1,208,723.40

Finding the Fourth Proportional to 1,303,201.80, 1,954,802.70 and 1,208,723.40

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Solution

The fourth proportional to 1,303,201.80, 1,954,802.70 and 1,208,723.40 is: 1,813,085.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,303,201.80 : 1,954,802.70 = 1,208,723.40 : x
  2. Step 2: Convert to fraction form
    1,303,201.80/1,954,802.70 = 1,208,723.40/x
  3. Step 3: Cross multiply
    1,303,201.80x = 1,954,802.70 × 1,208,723.40
  4. Step 4: Simplify right side
    1,303,201.80x = 2,362,815,765,873.18
  5. Step 5: Solve for x
    x = 2,362,815,765,873.18/1,303,201.80
  6. Step 6: Final answer
    x = 1,813,085.10

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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.