Home / 1,371,403.26-1,892,556.27-790,615.64

Finding the Fourth Proportional to 1,371,403.26, 1,892,556.27 and 790,615.64

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Solution

The fourth proportional to 1,371,403.26, 1,892,556.27 and 790,615.64 is: 1,091,060.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,371,403.26 : 1,892,556.27 = 790,615.64 : x
  2. Step 2: Convert to fraction form
    1,371,403.26/1,892,556.27 = 790,615.64/x
  3. Step 3: Cross multiply
    1,371,403.26x = 1,892,556.27 × 790,615.64
  4. Step 4: Simplify right side
    1,371,403.26x = 1,496,284,591,373.45
  5. Step 5: Solve for x
    x = 1,496,284,591,373.45/1,371,403.26
  6. Step 6: Final answer
    x = 1,091,060.98

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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.