Home / 1,291,755.40-1,935,789.90-952,145.80

Finding the Fourth Proportional to 1,291,755.40, 1,935,789.90 and 952,145.80

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Solution

The fourth proportional to 1,291,755.40, 1,935,789.90 and 952,145.80 is: 1,426,860.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,291,755.40 : 1,935,789.90 = 952,145.80 : x
  2. Step 2: Convert to fraction form
    1,291,755.40/1,935,789.90 = 952,145.80/x
  3. Step 3: Cross multiply
    1,291,755.40x = 1,935,789.90 × 952,145.80
  4. Step 4: Simplify right side
    1,291,755.40x = 1,843,154,222,967.42
  5. Step 5: Solve for x
    x = 1,843,154,222,967.42/1,291,755.40
  6. Step 6: Final answer
    x = 1,426,860.09

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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.