Home / 1,129,334.43-1,694,090.45-319,705.74

Finding the Fourth Proportional to 1,129,334.43, 1,694,090.45 and 319,705.74

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Solution

The fourth proportional to 1,129,334.43, 1,694,090.45 and 319,705.74 is: 479,583.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,129,334.43 : 1,694,090.45 = 319,705.74 : x
  2. Step 2: Convert to fraction form
    1,129,334.43/1,694,090.45 = 319,705.74/x
  3. Step 3: Cross multiply
    1,129,334.43x = 1,694,090.45 × 319,705.74
  4. Step 4: Simplify right side
    1,129,334.43x = 541,610,439,345.65
  5. Step 5: Solve for x
    x = 541,610,439,345.65/1,129,334.43
  6. Step 6: Final answer
    x = 479,583.75

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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.