Home / 1,052,511.90-1,578,782.25-342,542.94

Finding the Fourth Proportional to 1,052,511.90, 1,578,782.25 and 342,542.94

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Solution

The fourth proportional to 1,052,511.90, 1,578,782.25 and 342,542.94 is: 513,819.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,052,511.90 : 1,578,782.25 = 342,542.94 : x
  2. Step 2: Convert to fraction form
    1,052,511.90/1,578,782.25 = 342,542.94/x
  3. Step 3: Cross multiply
    1,052,511.90x = 1,578,782.25 × 342,542.94
  4. Step 4: Simplify right side
    1,052,511.90x = 540,800,713,534.82
  5. Step 5: Solve for x
    x = 540,800,713,534.82/1,052,511.90
  6. Step 6: Final answer
    x = 513,819.10

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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.