Home / 1,309,761-1,964,968.50-456,844.92

Finding the Fourth Proportional to 1,309,761, 1,964,968.50 and 456,844.92

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Solution

The fourth proportional to 1,309,761, 1,964,968.50 and 456,844.92 is: 685,381.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,309,761 : 1,964,968.50 = 456,844.92 : x
  2. Step 2: Convert to fraction form
    1,309,761/1,964,968.50 = 456,844.92/x
  3. Step 3: Cross multiply
    1,309,761x = 1,964,968.50 × 456,844.92
  4. Step 4: Simplify right side
    1,309,761x = 897,685,877,185.02
  5. Step 5: Solve for x
    x = 897,685,877,185.02/1,309,761
  6. Step 6: Final answer
    x = 685,381.44

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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.