Home / 1,405,790.40-1,939,949.28-793,968.24

Finding the Fourth Proportional to 1,405,790.40, 1,939,949.28 and 793,968.24

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Solution

The fourth proportional to 1,405,790.40, 1,939,949.28 and 793,968.24 is: 1,095,652.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,405,790.40 : 1,939,949.28 = 793,968.24 : x
  2. Step 2: Convert to fraction form
    1,405,790.40/1,939,949.28 = 793,968.24/x
  3. Step 3: Cross multiply
    1,405,790.40x = 1,939,949.28 × 793,968.24
  4. Step 4: Simplify right side
    1,405,790.40x = 1,540,258,115,530.87
  5. Step 5: Solve for x
    x = 1,540,258,115,530.87/1,405,790.40
  6. Step 6: Final answer
    x = 1,095,652.75

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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.