Home / 1,426,674.80-2,140,012.20-479,730.80

Finding the Fourth Proportional to 1,426,674.80, 2,140,012.20 and 479,730.80

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Solution

The fourth proportional to 1,426,674.80, 2,140,012.20 and 479,730.80 is: 719,596.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,426,674.80 : 2,140,012.20 = 479,730.80 : x
  2. Step 2: Convert to fraction form
    1,426,674.80/2,140,012.20 = 479,730.80/x
  3. Step 3: Cross multiply
    1,426,674.80x = 2,140,012.20 × 479,730.80
  4. Step 4: Simplify right side
    1,426,674.80x = 1,026,629,764,715.76
  5. Step 5: Solve for x
    x = 1,026,629,764,715.76/1,426,674.80
  6. Step 6: Final answer
    x = 719,596.20

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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.