Home / 1,485,473.15-2,228,360.74-512,710.84

Finding the Fourth Proportional to 1,485,473.15, 2,228,360.74 and 512,710.84

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Solution

The fourth proportional to 1,485,473.15, 2,228,360.74 and 512,710.84 is: 769,118.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,485,473.15 : 2,228,360.74 = 512,710.84 : x
  2. Step 2: Convert to fraction form
    1,485,473.15/2,228,360.74 = 512,710.84/x
  3. Step 3: Cross multiply
    1,485,473.15x = 2,228,360.74 × 512,710.84
  4. Step 4: Simplify right side
    1,485,473.15x = 1,142,504,699,975.74
  5. Step 5: Solve for x
    x = 1,142,504,699,975.74/1,485,473.15
  6. Step 6: Final answer
    x = 769,118.38

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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.