Home / 1,405,384.32-1,939,414.26-760,790.37

Finding the Fourth Proportional to 1,405,384.32, 1,939,414.26 and 760,790.37

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Solution

The fourth proportional to 1,405,384.32, 1,939,414.26 and 760,790.37 is: 1,049,881.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,405,384.32 : 1,939,414.26 = 760,790.37 : x
  2. Step 2: Convert to fraction form
    1,405,384.32/1,939,414.26 = 760,790.37/x
  3. Step 3: Cross multiply
    1,405,384.32x = 1,939,414.26 × 760,790.37
  4. Step 4: Simplify right side
    1,405,384.32x = 1,475,487,692,448.68
  5. Step 5: Solve for x
    x = 1,475,487,692,448.68/1,405,384.32
  6. Step 6: Final answer
    x = 1,049,881.99

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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.