Home / 842,548.40-1,263,822.60-811,055.60

Finding the Fourth Proportional to 842,548.40, 1,263,822.60 and 811,055.60

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Solution

The fourth proportional to 842,548.40, 1,263,822.60 and 811,055.60 is: 1,216,583.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    842,548.40 : 1,263,822.60 = 811,055.60 : x
  2. Step 2: Convert to fraction form
    842,548.40/1,263,822.60 = 811,055.60/x
  3. Step 3: Cross multiply
    842,548.40x = 1,263,822.60 × 811,055.60
  4. Step 4: Simplify right side
    842,548.40x = 1,025,030,397,136.56
  5. Step 5: Solve for x
    x = 1,025,030,397,136.56/842,548.40
  6. Step 6: Final answer
    x = 1,216,583.40

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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.