Home / 1,348,479.22-1,860,957.86-775,519.84

Finding the Fourth Proportional to 1,348,479.22, 1,860,957.86 and 775,519.84

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Solution

The fourth proportional to 1,348,479.22, 1,860,957.86 and 775,519.84 is: 1,070,249.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,348,479.22 : 1,860,957.86 = 775,519.84 : x
  2. Step 2: Convert to fraction form
    1,348,479.22/1,860,957.86 = 775,519.84/x
  3. Step 3: Cross multiply
    1,348,479.22x = 1,860,957.86 × 775,519.84
  4. Step 4: Simplify right side
    1,348,479.22x = 1,443,209,741,833.94
  5. Step 5: Solve for x
    x = 1,443,209,741,833.94/1,348,479.22
  6. Step 6: Final answer
    x = 1,070,249.89

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.