Home / 1,942,801.22-2,912,437.64-679,939.94

Finding the Fourth Proportional to 1,942,801.22, 2,912,437.64 and 679,939.94

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Solution

The fourth proportional to 1,942,801.22, 2,912,437.64 and 679,939.94 is: 1,019,292.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,942,801.22 : 2,912,437.64 = 679,939.94 : x
  2. Step 2: Convert to fraction form
    1,942,801.22/2,912,437.64 = 679,939.94/x
  3. Step 3: Cross multiply
    1,942,801.22x = 2,912,437.64 × 679,939.94
  4. Step 4: Simplify right side
    1,942,801.22x = 1,980,282,656,233.45
  5. Step 5: Solve for x
    x = 1,980,282,656,233.45/1,942,801.22
  6. Step 6: Final answer
    x = 1,019,292.47

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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.