Home / 1,129,643.20-1,694,464.80-569,771.20

Finding the Fourth Proportional to 1,129,643.20, 1,694,464.80 and 569,771.20

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Solution

The fourth proportional to 1,129,643.20, 1,694,464.80 and 569,771.20 is: 854,656.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,129,643.20 : 1,694,464.80 = 569,771.20 : x
  2. Step 2: Convert to fraction form
    1,129,643.20/1,694,464.80 = 569,771.20/x
  3. Step 3: Cross multiply
    1,129,643.20x = 1,694,464.80 × 569,771.20
  4. Step 4: Simplify right side
    1,129,643.20x = 965,457,242,453.76
  5. Step 5: Solve for x
    x = 965,457,242,453.76/1,129,643.20
  6. Step 6: Final answer
    x = 854,656.80

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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.