Home / 1,382,074.56-2,068,430.40-849,933.12

Finding the Fourth Proportional to 1,382,074.56, 2,068,430.40 and 849,933.12

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Solution

The fourth proportional to 1,382,074.56, 2,068,430.40 and 849,933.12 is: 1,272,020.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,382,074.56 : 2,068,430.40 = 849,933.12 : x
  2. Step 2: Convert to fraction form
    1,382,074.56/2,068,430.40 = 849,933.12/x
  3. Step 3: Cross multiply
    1,382,074.56x = 2,068,430.40 × 849,933.12
  4. Step 4: Simplify right side
    1,382,074.56x = 1,758,027,503,374.85
  5. Step 5: Solve for x
    x = 1,758,027,503,374.85/1,382,074.56
  6. Step 6: Final answer
    x = 1,272,020.74

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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.