Home / 1,052,789.46-1,578,830.58-342,650.49

Finding the Fourth Proportional to 1,052,789.46, 1,578,830.58 and 342,650.49

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Solution

The fourth proportional to 1,052,789.46, 1,578,830.58 and 342,650.49 is: 513,860.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,052,789.46 : 1,578,830.58 = 342,650.49 : x
  2. Step 2: Convert to fraction form
    1,052,789.46/1,578,830.58 = 342,650.49/x
  3. Step 3: Cross multiply
    1,052,789.46x = 1,578,830.58 × 342,650.49
  4. Step 4: Simplify right side
    1,052,789.46x = 540,987,071,863.98
  5. Step 5: Solve for x
    x = 540,987,071,863.98/1,052,789.46
  6. Step 6: Final answer
    x = 513,860.65

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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.