Home / 1,261,285.41-1,890,803.10-462,380.43

Finding the Fourth Proportional to 1,261,285.41, 1,890,803.10 and 462,380.43

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Solution

The fourth proportional to 1,261,285.41, 1,890,803.10 and 462,380.43 is: 693,158.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,261,285.41 : 1,890,803.10 = 462,380.43 : x
  2. Step 2: Convert to fraction form
    1,261,285.41/1,890,803.10 = 462,380.43/x
  3. Step 3: Cross multiply
    1,261,285.41x = 1,890,803.10 × 462,380.43
  4. Step 4: Simplify right side
    1,261,285.41x = 874,270,350,423.33
  5. Step 5: Solve for x
    x = 874,270,350,423.33/1,261,285.41
  6. Step 6: Final answer
    x = 693,158.22

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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.