Home / 1,200,762.78-1,801,143.81-452,633.82

Finding the Fourth Proportional to 1,200,762.78, 1,801,143.81 and 452,633.82

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Solution

The fourth proportional to 1,200,762.78, 1,801,143.81 and 452,633.82 is: 678,950.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,200,762.78 : 1,801,143.81 = 452,633.82 : x
  2. Step 2: Convert to fraction form
    1,200,762.78/1,801,143.81 = 452,633.82/x
  3. Step 3: Cross multiply
    1,200,762.78x = 1,801,143.81 × 452,633.82
  4. Step 4: Simplify right side
    1,200,762.78x = 815,258,603,089.65
  5. Step 5: Solve for x
    x = 815,258,603,089.65/1,200,762.78
  6. Step 6: Final answer
    x = 678,950.59

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1.5x scale

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.