Home / 854,868.80-1,282,303.20-842,427.20

Finding the Fourth Proportional to 854,868.80, 1,282,303.20 and 842,427.20

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Solution

The fourth proportional to 854,868.80, 1,282,303.20 and 842,427.20 is: 1,263,640.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    854,868.80 : 1,282,303.20 = 842,427.20 : x
  2. Step 2: Convert to fraction form
    854,868.80/1,282,303.20 = 842,427.20/x
  3. Step 3: Cross multiply
    854,868.80x = 1,282,303.20 × 842,427.20
  4. Step 4: Simplify right side
    854,868.80x = 1,080,247,094,327.04
  5. Step 5: Solve for x
    x = 1,080,247,094,327.04/854,868.80
  6. Step 6: Final answer
    x = 1,263,640.80

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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.