Home / 1,379,519.56-2,068,675.98-695,985.76

Finding the Fourth Proportional to 1,379,519.56, 2,068,675.98 and 695,985.76

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Solution

The fourth proportional to 1,379,519.56, 2,068,675.98 and 695,985.76 is: 1,043,674.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,379,519.56 : 2,068,675.98 = 695,985.76 : x
  2. Step 2: Convert to fraction form
    1,379,519.56/2,068,675.98 = 695,985.76/x
  3. Step 3: Cross multiply
    1,379,519.56x = 2,068,675.98 × 695,985.76
  4. Step 4: Simplify right side
    1,379,519.56x = 1,439,769,024,134.05
  5. Step 5: Solve for x
    x = 1,439,769,024,134.05/1,379,519.56
  6. Step 6: Final answer
    x = 1,043,674.24

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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.