Home / 1,049,783.40-1,574,675.10-419,149.80

Finding the Fourth Proportional to 1,049,783.40, 1,574,675.10 and 419,149.80

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Solution

The fourth proportional to 1,049,783.40, 1,574,675.10 and 419,149.80 is: 628,724.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,049,783.40 : 1,574,675.10 = 419,149.80 : x
  2. Step 2: Convert to fraction form
    1,049,783.40/1,574,675.10 = 419,149.80/x
  3. Step 3: Cross multiply
    1,049,783.40x = 1,574,675.10 × 419,149.80
  4. Step 4: Simplify right side
    1,049,783.40x = 660,024,753,229.98
  5. Step 5: Solve for x
    x = 660,024,753,229.98/1,049,783.40
  6. Step 6: Final answer
    x = 628,724.70

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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.