Home / 1,271,510.30-1,907,265.45-822,737.90

Finding the Fourth Proportional to 1,271,510.30, 1,907,265.45 and 822,737.90

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Solution

The fourth proportional to 1,271,510.30, 1,907,265.45 and 822,737.90 is: 1,234,106.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,271,510.30 : 1,907,265.45 = 822,737.90 : x
  2. Step 2: Convert to fraction form
    1,271,510.30/1,907,265.45 = 822,737.90/x
  3. Step 3: Cross multiply
    1,271,510.30x = 1,907,265.45 × 822,737.90
  4. Step 4: Simplify right side
    1,271,510.30x = 1,569,179,571,075.56
  5. Step 5: Solve for x
    x = 1,569,179,571,075.56/1,271,510.30
  6. Step 6: Final answer
    x = 1,234,106.85

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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.