Home / 1,210,086.04-1,815,129.42-451,987.24

Finding the Fourth Proportional to 1,210,086.04, 1,815,129.42 and 451,987.24

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Solution

The fourth proportional to 1,210,086.04, 1,815,129.42 and 451,987.24 is: 677,980.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,210,086.04 : 1,815,129.42 = 451,987.24 : x
  2. Step 2: Convert to fraction form
    1,210,086.04/1,815,129.42 = 451,987.24/x
  3. Step 3: Cross multiply
    1,210,086.04x = 1,815,129.42 × 451,987.24
  4. Step 4: Simplify right side
    1,210,086.04x = 820,415,336,788.60
  5. Step 5: Solve for x
    x = 820,415,336,788.60/1,210,086.04
  6. Step 6: Final answer
    x = 677,980.99

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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.