Home / 1,030,539.86-1,420,837.30-736,540.44

Finding the Fourth Proportional to 1,030,539.86, 1,420,837.30 and 736,540.44

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Solution

The fourth proportional to 1,030,539.86, 1,420,837.30 and 736,540.44 is: 1,015,491.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,030,539.86 : 1,420,837.30 = 736,540.44 : x
  2. Step 2: Convert to fraction form
    1,030,539.86/1,420,837.30 = 736,540.44/x
  3. Step 3: Cross multiply
    1,030,539.86x = 1,420,837.30 × 736,540.44
  4. Step 4: Simplify right side
    1,030,539.86x = 1,046,504,133,695.16
  5. Step 5: Solve for x
    x = 1,046,504,133,695.16/1,030,539.86
  6. Step 6: Final answer
    x = 1,015,491.17

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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.