Home / 1,972,145.34-2,959,896.60-774,904.86

Finding the Fourth Proportional to 1,972,145.34, 2,959,896.60 and 774,904.86

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Solution

The fourth proportional to 1,972,145.34, 2,959,896.60 and 774,904.86 is: 1,163,016.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,972,145.34 : 2,959,896.60 = 774,904.86 : x
  2. Step 2: Convert to fraction form
    1,972,145.34/2,959,896.60 = 774,904.86/x
  3. Step 3: Cross multiply
    1,972,145.34x = 2,959,896.60 × 774,904.86
  4. Step 4: Simplify right side
    1,972,145.34x = 2,293,638,260,437.48
  5. Step 5: Solve for x
    x = 2,293,638,260,437.48/1,972,145.34
  6. Step 6: Final answer
    x = 1,163,016.85

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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.