Home / 1,620,303.78-2,236,019.19-941,284.02

Finding the Fourth Proportional to 1,620,303.78, 2,236,019.19 and 941,284.02

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Solution

The fourth proportional to 1,620,303.78, 2,236,019.19 and 941,284.02 is: 1,298,971.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,620,303.78 : 2,236,019.19 = 941,284.02 : x
  2. Step 2: Convert to fraction form
    1,620,303.78/2,236,019.19 = 941,284.02/x
  3. Step 3: Cross multiply
    1,620,303.78x = 2,236,019.19 × 941,284.02
  4. Step 4: Simplify right side
    1,620,303.78x = 2,104,729,131,960.34
  5. Step 5: Solve for x
    x = 2,104,729,131,960.34/1,620,303.78
  6. Step 6: Final answer
    x = 1,298,971.93

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.