Home / 1,440,028.80-2,160,043.20-493,315.20

Finding the Fourth Proportional to 1,440,028.80, 2,160,043.20 and 493,315.20

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Solution

The fourth proportional to 1,440,028.80, 2,160,043.20 and 493,315.20 is: 739,972.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,440,028.80 : 2,160,043.20 = 493,315.20 : x
  2. Step 2: Convert to fraction form
    1,440,028.80/2,160,043.20 = 493,315.20/x
  3. Step 3: Cross multiply
    1,440,028.80x = 2,160,043.20 × 493,315.20
  4. Step 4: Simplify right side
    1,440,028.80x = 1,065,582,143,216.64
  5. Step 5: Solve for x
    x = 1,065,582,143,216.64/1,440,028.80
  6. Step 6: Final answer
    x = 739,972.80

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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.