Home / 1,291,745.40-1,935,774.90-952,135.80

Finding the Fourth Proportional to 1,291,745.40, 1,935,774.90 and 952,135.80

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Solution

The fourth proportional to 1,291,745.40, 1,935,774.90 and 952,135.80 is: 1,426,845.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,291,745.40 : 1,935,774.90 = 952,135.80 : x
  2. Step 2: Convert to fraction form
    1,291,745.40/1,935,774.90 = 952,135.80/x
  3. Step 3: Cross multiply
    1,291,745.40x = 1,935,774.90 × 952,135.80
  4. Step 4: Simplify right side
    1,291,745.40x = 1,843,120,583,031.42
  5. Step 5: Solve for x
    x = 1,843,120,583,031.42/1,291,745.40
  6. Step 6: Final answer
    x = 1,426,845.09

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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.