Home / 970,161.89-1,329,128.20-933,799.07

Finding the Fourth Proportional to 970,161.89, 1,329,128.20 and 933,799.07

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Solution

The fourth proportional to 970,161.89, 1,329,128.20 and 933,799.07 is: 1,279,310.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    970,161.89 : 1,329,128.20 = 933,799.07 : x
  2. Step 2: Convert to fraction form
    970,161.89/1,329,128.20 = 933,799.07/x
  3. Step 3: Cross multiply
    970,161.89x = 1,329,128.20 × 933,799.07
  4. Step 4: Simplify right side
    970,161.89x = 1,241,138,677,070.77
  5. Step 5: Solve for x
    x = 1,241,138,677,070.77/970,161.89
  6. Step 6: Final answer
    x = 1,279,310.90

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.