Home / 1,263,172.08-1,891,362.81-962,219.01

Finding the Fourth Proportional to 1,263,172.08, 1,891,362.81 and 962,219.01

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Solution

The fourth proportional to 1,263,172.08, 1,891,362.81 and 962,219.01 is: 1,440,742.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,263,172.08 : 1,891,362.81 = 962,219.01 : x
  2. Step 2: Convert to fraction form
    1,263,172.08/1,891,362.81 = 962,219.01/x
  3. Step 3: Cross multiply
    1,263,172.08x = 1,891,362.81 × 962,219.01
  4. Step 4: Simplify right side
    1,263,172.08x = 1,819,905,250,589.02
  5. Step 5: Solve for x
    x = 1,819,905,250,589.02/1,263,172.08
  6. Step 6: Final answer
    x = 1,440,742.14

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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.