Home / 1,995,325.20-2,989,704.60-1,152,406.80

Finding the Fourth Proportional to 1,995,325.20, 2,989,704.60 and 1,152,406.80

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Solution

The fourth proportional to 1,995,325.20, 2,989,704.60 and 1,152,406.80 is: 1,726,713.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,995,325.20 : 2,989,704.60 = 1,152,406.80 : x
  2. Step 2: Convert to fraction form
    1,995,325.20/2,989,704.60 = 1,152,406.80/x
  3. Step 3: Cross multiply
    1,995,325.20x = 2,989,704.60 × 1,152,406.80
  4. Step 4: Simplify right side
    1,995,325.20x = 3,445,355,911,031.28
  5. Step 5: Solve for x
    x = 3,445,355,911,031.28/1,995,325.20
  6. Step 6: Final answer
    x = 1,726,713.98

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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.