Home / 1,397,575.64-1,928,992.38-1,303,019.48

Finding the Fourth Proportional to 1,397,575.64, 1,928,992.38 and 1,303,019.48

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Solution

The fourth proportional to 1,397,575.64, 1,928,992.38 and 1,303,019.48 is: 1,798,482.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,397,575.64 : 1,928,992.38 = 1,303,019.48 : x
  2. Step 2: Convert to fraction form
    1,397,575.64/1,928,992.38 = 1,303,019.48/x
  3. Step 3: Cross multiply
    1,397,575.64x = 1,928,992.38 × 1,303,019.48
  4. Step 4: Simplify right side
    1,397,575.64x = 2,513,514,647,911.56
  5. Step 5: Solve for x
    x = 2,513,514,647,911.56/1,397,575.64
  6. Step 6: Final answer
    x = 1,798,482.01

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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.