Home / 1,409,657.38-1,945,329.08-765,077.58

Finding the Fourth Proportional to 1,409,657.38, 1,945,329.08 and 765,077.58

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Solution

The fourth proportional to 1,409,657.38, 1,945,329.08 and 765,077.58 is: 1,055,808.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,409,657.38 : 1,945,329.08 = 765,077.58 : x
  2. Step 2: Convert to fraction form
    1,409,657.38/1,945,329.08 = 765,077.58/x
  3. Step 3: Cross multiply
    1,409,657.38x = 1,945,329.08 × 765,077.58
  4. Step 4: Simplify right side
    1,409,657.38x = 1,488,327,661,004.64
  5. Step 5: Solve for x
    x = 1,488,327,661,004.64/1,409,657.38
  6. Step 6: Final answer
    x = 1,055,808.09

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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.