Home / 1,409,654.88-1,945,325.62-765,075.08

Finding the Fourth Proportional to 1,409,654.88, 1,945,325.62 and 765,075.08

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Solution

The fourth proportional to 1,409,654.88, 1,945,325.62 and 765,075.08 is: 1,055,804.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,409,654.88 : 1,945,325.62 = 765,075.08 : x
  2. Step 2: Convert to fraction form
    1,409,654.88/1,945,325.62 = 765,075.08/x
  3. Step 3: Cross multiply
    1,409,654.88x = 1,945,325.62 × 765,075.08
  4. Step 4: Simplify right side
    1,409,654.88x = 1,488,320,154,347.55
  5. Step 5: Solve for x
    x = 1,488,320,154,347.55/1,409,654.88
  6. Step 6: Final answer
    x = 1,055,804.63

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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.