Home / 1,580,553.80-2,363,832.30-1,328,611.40

Finding the Fourth Proportional to 1,580,553.80, 2,363,832.30 and 1,328,611.40

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Solution

The fourth proportional to 1,580,553.80, 2,363,832.30 and 1,328,611.40 is: 1,987,034.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,580,553.80 : 2,363,832.30 = 1,328,611.40 : x
  2. Step 2: Convert to fraction form
    1,580,553.80/2,363,832.30 = 1,328,611.40/x
  3. Step 3: Cross multiply
    1,580,553.80x = 2,363,832.30 × 1,328,611.40
  4. Step 4: Simplify right side
    1,580,553.80x = 3,140,614,541,468.22
  5. Step 5: Solve for x
    x = 3,140,614,541,468.22/1,580,553.80
  6. Step 6: Final answer
    x = 1,987,034.25

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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.