Home / 1,979,729.79-2,732,027.18-1,074,311.79

Finding the Fourth Proportional to 1,979,729.79, 2,732,027.18 and 1,074,311.79

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Solution

The fourth proportional to 1,979,729.79, 2,732,027.18 and 1,074,311.79 is: 1,482,550.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,979,729.79 : 2,732,027.18 = 1,074,311.79 : x
  2. Step 2: Convert to fraction form
    1,979,729.79/2,732,027.18 = 1,074,311.79/x
  3. Step 3: Cross multiply
    1,979,729.79x = 2,732,027.18 × 1,074,311.79
  4. Step 4: Simplify right side
    1,979,729.79x = 2,935,049,004,702.89
  5. Step 5: Solve for x
    x = 2,935,049,004,702.89/1,979,729.79
  6. Step 6: Final answer
    x = 1,482,550.31

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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.