Home / 1,376,993.02-1,900,212.60-765,130.07

Finding the Fourth Proportional to 1,376,993.02, 1,900,212.60 and 765,130.07

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Solution

The fourth proportional to 1,376,993.02, 1,900,212.60 and 765,130.07 is: 1,055,858.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,376,993.02 : 1,900,212.60 = 765,130.07 : x
  2. Step 2: Convert to fraction form
    1,376,993.02/1,900,212.60 = 765,130.07/x
  3. Step 3: Cross multiply
    1,376,993.02x = 1,900,212.60 × 765,130.07
  4. Step 4: Simplify right side
    1,376,993.02x = 1,453,909,804,403.41
  5. Step 5: Solve for x
    x = 1,453,909,804,403.41/1,376,993.02
  6. Step 6: Final answer
    x = 1,055,858.51

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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.