Home / 1,263,704.10-1,895,556.15-785,407.20

Finding the Fourth Proportional to 1,263,704.10, 1,895,556.15 and 785,407.20

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Solution

The fourth proportional to 1,263,704.10, 1,895,556.15 and 785,407.20 is: 1,178,110.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,263,704.10 : 1,895,556.15 = 785,407.20 : x
  2. Step 2: Convert to fraction form
    1,263,704.10/1,895,556.15 = 785,407.20/x
  3. Step 3: Cross multiply
    1,263,704.10x = 1,895,556.15 × 785,407.20
  4. Step 4: Simplify right side
    1,263,704.10x = 1,488,783,448,214.28
  5. Step 5: Solve for x
    x = 1,488,783,448,214.28/1,263,704.10
  6. Step 6: Final answer
    x = 1,178,110.80

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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.