Home / 1,762,393.20-2,643,589.80-921,202.80

Finding the Fourth Proportional to 1,762,393.20, 2,643,589.80 and 921,202.80

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Solution

The fourth proportional to 1,762,393.20, 2,643,589.80 and 921,202.80 is: 1,381,804.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,762,393.20 : 2,643,589.80 = 921,202.80 : x
  2. Step 2: Convert to fraction form
    1,762,393.20/2,643,589.80 = 921,202.80/x
  3. Step 3: Cross multiply
    1,762,393.20x = 2,643,589.80 × 921,202.80
  4. Step 4: Simplify right side
    1,762,393.20x = 2,435,282,325,811.44
  5. Step 5: Solve for x
    x = 2,435,282,325,811.44/1,762,393.20
  6. Step 6: Final answer
    x = 1,381,804.20

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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.