Home / 1,309,968.73-1,807,756.40-729,179.26

Finding the Fourth Proportional to 1,309,968.73, 1,807,756.40 and 729,179.26

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Solution

The fourth proportional to 1,309,968.73, 1,807,756.40 and 729,179.26 is: 1,006,267.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,309,968.73 : 1,807,756.40 = 729,179.26 : x
  2. Step 2: Convert to fraction form
    1,309,968.73/1,807,756.40 = 729,179.26/x
  3. Step 3: Cross multiply
    1,309,968.73x = 1,807,756.40 × 729,179.26
  4. Step 4: Simplify right side
    1,309,968.73x = 1,318,178,470,366.37
  5. Step 5: Solve for x
    x = 1,318,178,470,366.37/1,309,968.73
  6. Step 6: Final answer
    x = 1,006,267.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.