Home / 1,071,130.88-1,606,618.24-439,873.28

Finding the Fourth Proportional to 1,071,130.88, 1,606,618.24 and 439,873.28

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Solution

The fourth proportional to 1,071,130.88, 1,606,618.24 and 439,873.28 is: 659,777.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,071,130.88 : 1,606,618.24 = 439,873.28 : x
  2. Step 2: Convert to fraction form
    1,071,130.88/1,606,618.24 = 439,873.28/x
  3. Step 3: Cross multiply
    1,071,130.88x = 1,606,618.24 × 439,873.28
  4. Step 4: Simplify right side
    1,071,130.88x = 706,708,434,936.63
  5. Step 5: Solve for x
    x = 706,708,434,936.63/1,071,130.88
  6. Step 6: Final answer
    x = 659,777.86

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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.