Home / 1,409,740.02-1,945,436.40-765,160.20

Finding the Fourth Proportional to 1,409,740.02, 1,945,436.40 and 765,160.20

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Solution

The fourth proportional to 1,409,740.02, 1,945,436.40 and 765,160.20 is: 1,055,918.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,409,740.02 : 1,945,436.40 = 765,160.20 : x
  2. Step 2: Convert to fraction form
    1,409,740.02/1,945,436.40 = 765,160.20/x
  3. Step 3: Cross multiply
    1,409,740.02x = 1,945,436.40 × 765,160.20
  4. Step 4: Simplify right side
    1,409,740.02x = 1,488,570,504,911.28
  5. Step 5: Solve for x
    x = 1,488,570,504,911.28/1,409,740.02
  6. Step 6: Final answer
    x = 1,055,918.46

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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.