Home / 1,379,518.56-2,068,674.48-695,984.76

Finding the Fourth Proportional to 1,379,518.56, 2,068,674.48 and 695,984.76

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Solution

The fourth proportional to 1,379,518.56, 2,068,674.48 and 695,984.76 is: 1,043,672.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,379,518.56 : 2,068,674.48 = 695,984.76 : x
  2. Step 2: Convert to fraction form
    1,379,518.56/2,068,674.48 = 695,984.76/x
  3. Step 3: Cross multiply
    1,379,518.56x = 2,068,674.48 × 695,984.76
  4. Step 4: Simplify right side
    1,379,518.56x = 1,439,765,911,480.92
  5. Step 5: Solve for x
    x = 1,439,765,911,480.92/1,379,518.56
  6. Step 6: Final answer
    x = 1,043,672.74

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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.