Home / 1,070,754.56-1,605,862.40-439,842.56

Finding the Fourth Proportional to 1,070,754.56, 1,605,862.40 and 439,842.56

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Solution

The fourth proportional to 1,070,754.56, 1,605,862.40 and 439,842.56 is: 659,653.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,070,754.56 : 1,605,862.40 = 439,842.56 : x
  2. Step 2: Convert to fraction form
    1,070,754.56/1,605,862.40 = 439,842.56/x
  3. Step 3: Cross multiply
    1,070,754.56x = 1,605,862.40 × 439,842.56
  4. Step 4: Simplify right side
    1,070,754.56x = 706,326,629,023.74
  5. Step 5: Solve for x
    x = 706,326,629,023.74/1,070,754.56
  6. Step 6: Final answer
    x = 659,653.16

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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.