Home / 1,408,334.52-2,111,971.42-509,554.06

Finding the Fourth Proportional to 1,408,334.52, 2,111,971.42 and 509,554.06

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Solution

The fourth proportional to 1,408,334.52, 2,111,971.42 and 509,554.06 is: 764,139.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,408,334.52 : 2,111,971.42 = 509,554.06 : x
  2. Step 2: Convert to fraction form
    1,408,334.52/2,111,971.42 = 509,554.06/x
  3. Step 3: Cross multiply
    1,408,334.52x = 2,111,971.42 × 509,554.06
  4. Step 4: Simplify right side
    1,408,334.52x = 1,076,163,611,664.97
  5. Step 5: Solve for x
    x = 1,076,163,611,664.97/1,408,334.52
  6. Step 6: Final answer
    x = 764,139.20

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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.