Home / 1,269,106.12-1,751,361.76-785,575

Finding the Fourth Proportional to 1,269,106.12, 1,751,361.76 and 785,575

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Solution

The fourth proportional to 1,269,106.12, 1,751,361.76 and 785,575 is: 1,084,090.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,269,106.12 : 1,751,361.76 = 785,575 : x
  2. Step 2: Convert to fraction form
    1,269,106.12/1,751,361.76 = 785,575/x
  3. Step 3: Cross multiply
    1,269,106.12x = 1,751,361.76 × 785,575
  4. Step 4: Simplify right side
    1,269,106.12x = 1,375,826,014,612
  5. Step 5: Solve for x
    x = 1,375,826,014,612/1,269,106.12
  6. Step 6: Final answer
    x = 1,084,090.60

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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.