Home / 1,129,765.44-1,694,646.75-288,317.22

Finding the Fourth Proportional to 1,129,765.44, 1,694,646.75 and 288,317.22

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Solution

The fourth proportional to 1,129,765.44, 1,694,646.75 and 288,317.22 is: 432,475.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,129,765.44 : 1,694,646.75 = 288,317.22 : x
  2. Step 2: Convert to fraction form
    1,129,765.44/1,694,646.75 = 288,317.22/x
  3. Step 3: Cross multiply
    1,129,765.44x = 1,694,646.75 × 288,317.22
  4. Step 4: Simplify right side
    1,129,765.44x = 488,595,839,842.04
  5. Step 5: Solve for x
    x = 488,595,839,842.04/1,129,765.44
  6. Step 6: Final answer
    x = 432,475.47

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1.5x scale

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.