Home / 1,405,990.49-1,940,256.73-761,395.73

Finding the Fourth Proportional to 1,405,990.49, 1,940,256.73 and 761,395.73

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Solution

The fourth proportional to 1,405,990.49, 1,940,256.73 and 761,395.73 is: 1,050,720.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,405,990.49 : 1,940,256.73 = 761,395.73 : x
  2. Step 2: Convert to fraction form
    1,405,990.49/1,940,256.73 = 761,395.73/x
  3. Step 3: Cross multiply
    1,405,990.49x = 1,940,256.73 × 761,395.73
  4. Step 4: Simplify right side
    1,405,990.49x = 1,477,303,189,325.76
  5. Step 5: Solve for x
    x = 1,477,303,189,325.76/1,405,990.49
  6. Step 6: Final answer
    x = 1,050,720.61

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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.