Home / 1,393,074.64-1,923,260.52-1,070,150.32

Finding the Fourth Proportional to 1,393,074.64, 1,923,260.52 and 1,070,150.32

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Solution

The fourth proportional to 1,393,074.64, 1,923,260.52 and 1,070,150.32 is: 1,477,435.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,393,074.64 : 1,923,260.52 = 1,070,150.32 : x
  2. Step 2: Convert to fraction form
    1,393,074.64/1,923,260.52 = 1,070,150.32/x
  3. Step 3: Cross multiply
    1,393,074.64x = 1,923,260.52 × 1,070,150.32
  4. Step 4: Simplify right side
    1,393,074.64x = 2,058,177,860,921.37
  5. Step 5: Solve for x
    x = 2,058,177,860,921.37/1,393,074.64
  6. Step 6: Final answer
    x = 1,477,435.45

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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.