Home / 1,368,819.04-1,888,673.52-765,186.40

Finding the Fourth Proportional to 1,368,819.04, 1,888,673.52 and 765,186.40

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Solution

The fourth proportional to 1,368,819.04, 1,888,673.52 and 765,186.40 is: 1,055,791.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,368,819.04 : 1,888,673.52 = 765,186.40 : x
  2. Step 2: Convert to fraction form
    1,368,819.04/1,888,673.52 = 765,186.40/x
  3. Step 3: Cross multiply
    1,368,819.04x = 1,888,673.52 × 765,186.40
  4. Step 4: Simplify right side
    1,368,819.04x = 1,445,187,291,544.13
  5. Step 5: Solve for x
    x = 1,445,187,291,544.13/1,368,819.04
  6. Step 6: Final answer
    x = 1,055,791.34

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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.