Home / 854,868.30-1,282,302.45-842,426.70

Finding the Fourth Proportional to 854,868.30, 1,282,302.45 and 842,426.70

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Solution

The fourth proportional to 854,868.30, 1,282,302.45 and 842,426.70 is: 1,263,640.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    854,868.30 : 1,282,302.45 = 842,426.70 : x
  2. Step 2: Convert to fraction form
    854,868.30/1,282,302.45 = 842,426.70/x
  3. Step 3: Cross multiply
    854,868.30x = 1,282,302.45 × 842,426.70
  4. Step 4: Simplify right side
    854,868.30x = 1,080,245,821,355.41
  5. Step 5: Solve for x
    x = 1,080,245,821,355.41/854,868.30
  6. Step 6: Final answer
    x = 1,263,640.05

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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.