Home / 1,074,388.72-1,611,407.88-316,052.80

Finding the Fourth Proportional to 1,074,388.72, 1,611,407.88 and 316,052.80

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Solution

The fourth proportional to 1,074,388.72, 1,611,407.88 and 316,052.80 is: 474,027.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,074,388.72 : 1,611,407.88 = 316,052.80 : x
  2. Step 2: Convert to fraction form
    1,074,388.72/1,611,407.88 = 316,052.80/x
  3. Step 3: Cross multiply
    1,074,388.72x = 1,611,407.88 × 316,052.80
  4. Step 4: Simplify right side
    1,074,388.72x = 509,289,972,416.06
  5. Step 5: Solve for x
    x = 509,289,972,416.06/1,074,388.72
  6. Step 6: Final answer
    x = 474,027.66

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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.