Home / 1,294,510.80-1,940,729.40-545,941.20

Finding the Fourth Proportional to 1,294,510.80, 1,940,729.40 and 545,941.20

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Solution

The fourth proportional to 1,294,510.80, 1,940,729.40 and 545,941.20 is: 818,474.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,294,510.80 : 1,940,729.40 = 545,941.20 : x
  2. Step 2: Convert to fraction form
    1,294,510.80/1,940,729.40 = 545,941.20/x
  3. Step 3: Cross multiply
    1,294,510.80x = 1,940,729.40 × 545,941.20
  4. Step 4: Simplify right side
    1,294,510.80x = 1,059,524,137,511.28
  5. Step 5: Solve for x
    x = 1,059,524,137,511.28/1,294,510.80
  6. Step 6: Final answer
    x = 818,474.54

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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.