Home / 1,409,671.36-1,945,360.64-765,097.28

Finding the Fourth Proportional to 1,409,671.36, 1,945,360.64 and 765,097.28

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Solution

The fourth proportional to 1,409,671.36, 1,945,360.64 and 765,097.28 is: 1,055,841.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,409,671.36 : 1,945,360.64 = 765,097.28 : x
  2. Step 2: Convert to fraction form
    1,409,671.36/1,945,360.64 = 765,097.28/x
  3. Step 3: Cross multiply
    1,409,671.36x = 1,945,360.64 × 765,097.28
  4. Step 4: Simplify right side
    1,409,671.36x = 1,488,390,134,283.06
  5. Step 5: Solve for x
    x = 1,488,390,134,283.06/1,409,671.36
  6. Step 6: Final answer
    x = 1,055,841.93

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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.