Home / 972,015.30-1,362,221.10-972,015.30

Finding the Fourth Proportional to 972,015.30, 1,362,221.10 and 972,015.30

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Solution

The fourth proportional to 972,015.30, 1,362,221.10 and 972,015.30 is: 1,362,221.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    972,015.30 : 1,362,221.10 = 972,015.30 : x
  2. Step 2: Convert to fraction form
    972,015.30/1,362,221.10 = 972,015.30/x
  3. Step 3: Cross multiply
    972,015.30x = 1,362,221.10 × 972,015.30
  4. Step 4: Simplify right side
    972,015.30x = 1,324,099,751,182.83
  5. Step 5: Solve for x
    x = 1,324,099,751,182.83/972,015.30
  6. Step 6: Final answer
    x = 1,362,221.10

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.