Home / 1,811,152.80-2,716,729.20-548,816.40

Finding the Fourth Proportional to 1,811,152.80, 2,716,729.20 and 548,816.40

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Solution

The fourth proportional to 1,811,152.80, 2,716,729.20 and 548,816.40 is: 823,224.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,811,152.80 : 2,716,729.20 = 548,816.40 : x
  2. Step 2: Convert to fraction form
    1,811,152.80/2,716,729.20 = 548,816.40/x
  3. Step 3: Cross multiply
    1,811,152.80x = 2,716,729.20 × 548,816.40
  4. Step 4: Simplify right side
    1,811,152.80x = 1,490,985,539,318.88
  5. Step 5: Solve for x
    x = 1,490,985,539,318.88/1,811,152.80
  6. Step 6: Final answer
    x = 823,224.60

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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.