Home / 1,340,509.22-2,010,132.06-486,979.01

Finding the Fourth Proportional to 1,340,509.22, 2,010,132.06 and 486,979.01

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Solution

The fourth proportional to 1,340,509.22, 2,010,132.06 and 486,979.01 is: 730,239.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,340,509.22 : 2,010,132.06 = 486,979.01 : x
  2. Step 2: Convert to fraction form
    1,340,509.22/2,010,132.06 = 486,979.01/x
  3. Step 3: Cross multiply
    1,340,509.22x = 2,010,132.06 × 486,979.01
  4. Step 4: Simplify right side
    1,340,509.22x = 978,892,120,548.06
  5. Step 5: Solve for x
    x = 978,892,120,548.06/1,340,509.22
  6. Step 6: Final answer
    x = 730,239.01

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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.