Home / 1,298,414.46-1,792,029.93-879,120.08

Finding the Fourth Proportional to 1,298,414.46, 1,792,029.93 and 879,120.08

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Solution

The fourth proportional to 1,298,414.46, 1,792,029.93 and 879,120.08 is: 1,213,333.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,298,414.46 : 1,792,029.93 = 879,120.08 : x
  2. Step 2: Convert to fraction form
    1,298,414.46/1,792,029.93 = 879,120.08/x
  3. Step 3: Cross multiply
    1,298,414.46x = 1,792,029.93 × 879,120.08
  4. Step 4: Simplify right side
    1,298,414.46x = 1,575,409,499,967.43
  5. Step 5: Solve for x
    x = 1,575,409,499,967.43/1,298,414.46
  6. Step 6: Final answer
    x = 1,213,333.30

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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.