Home / 1,409,655.60-1,945,326.62-765,075.80

Finding the Fourth Proportional to 1,409,655.60, 1,945,326.62 and 765,075.80

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Solution

The fourth proportional to 1,409,655.60, 1,945,326.62 and 765,075.80 is: 1,055,805.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,409,655.60 : 1,945,326.62 = 765,075.80 : x
  2. Step 2: Convert to fraction form
    1,409,655.60/1,945,326.62 = 765,075.80/x
  3. Step 3: Cross multiply
    1,409,655.60x = 1,945,326.62 × 765,075.80
  4. Step 4: Simplify right side
    1,409,655.60x = 1,488,322,321,095.73
  5. Step 5: Solve for x
    x = 1,488,322,321,095.73/1,409,655.60
  6. Step 6: Final answer
    x = 1,055,805.63

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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.