Home / 964,986.80-1,447,480.20-867,009.20

Finding the Fourth Proportional to 964,986.80, 1,447,480.20 and 867,009.20

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Solution

The fourth proportional to 964,986.80, 1,447,480.20 and 867,009.20 is: 1,300,513.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    964,986.80 : 1,447,480.20 = 867,009.20 : x
  2. Step 2: Convert to fraction form
    964,986.80/1,447,480.20 = 867,009.20/x
  3. Step 3: Cross multiply
    964,986.80x = 1,447,480.20 × 867,009.20
  4. Step 4: Simplify right side
    964,986.80x = 1,254,978,650,217.84
  5. Step 5: Solve for x
    x = 1,254,978,650,217.84/964,986.80
  6. Step 6: Final answer
    x = 1,300,513.80

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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.