Home / 1,381,803.56-2,072,705.34-539,764.82

Finding the Fourth Proportional to 1,381,803.56, 2,072,705.34 and 539,764.82

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Solution

The fourth proportional to 1,381,803.56, 2,072,705.34 and 539,764.82 is: 809,647.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,381,803.56 : 2,072,705.34 = 539,764.82 : x
  2. Step 2: Convert to fraction form
    1,381,803.56/2,072,705.34 = 539,764.82/x
  3. Step 3: Cross multiply
    1,381,803.56x = 2,072,705.34 × 539,764.82
  4. Step 4: Simplify right side
    1,381,803.56x = 1,118,773,424,758.14
  5. Step 5: Solve for x
    x = 1,118,773,424,758.14/1,381,803.56
  6. Step 6: Final answer
    x = 809,647.23

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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.