Home / 1,309,485.44-1,964,270.40-362,865.28

Finding the Fourth Proportional to 1,309,485.44, 1,964,270.40 and 362,865.28

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Solution

The fourth proportional to 1,309,485.44, 1,964,270.40 and 362,865.28 is: 544,309.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,309,485.44 : 1,964,270.40 = 362,865.28 : x
  2. Step 2: Convert to fraction form
    1,309,485.44/1,964,270.40 = 362,865.28/x
  3. Step 3: Cross multiply
    1,309,485.44x = 1,964,270.40 × 362,865.28
  4. Step 4: Simplify right side
    1,309,485.44x = 712,765,528,691.71
  5. Step 5: Solve for x
    x = 712,765,528,691.71/1,309,485.44
  6. Step 6: Final answer
    x = 544,309.62

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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.