Home / 1,319,390.44-1,979,080.54-477,745.32

Finding the Fourth Proportional to 1,319,390.44, 1,979,080.54 and 477,745.32

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Solution

The fourth proportional to 1,319,390.44, 1,979,080.54 and 477,745.32 is: 716,616.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,319,390.44 : 1,979,080.54 = 477,745.32 : x
  2. Step 2: Convert to fraction form
    1,319,390.44/1,979,080.54 = 477,745.32/x
  3. Step 3: Cross multiply
    1,319,390.44x = 1,979,080.54 × 477,745.32
  4. Step 4: Simplify right side
    1,319,390.44x = 945,496,465,888.07
  5. Step 5: Solve for x
    x = 945,496,465,888.07/1,319,390.44
  6. Step 6: Final answer
    x = 716,616.13

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.