Home / 1,408,344.02-2,111,985.68-509,563.56

Finding the Fourth Proportional to 1,408,344.02, 2,111,985.68 and 509,563.56

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Solution

The fourth proportional to 1,408,344.02, 2,111,985.68 and 509,563.56 is: 764,153.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,408,344.02 : 2,111,985.68 = 509,563.56 : x
  2. Step 2: Convert to fraction form
    1,408,344.02/2,111,985.68 = 509,563.56/x
  3. Step 3: Cross multiply
    1,408,344.02x = 2,111,985.68 × 509,563.56
  4. Step 4: Simplify right side
    1,408,344.02x = 1,076,190,941,769.82
  5. Step 5: Solve for x
    x = 1,076,190,941,769.82/1,408,344.02
  6. Step 6: Final answer
    x = 764,153.45

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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.