Home / 1,180,127.95-1,769,757.87-421,764.44

Finding the Fourth Proportional to 1,180,127.95, 1,769,757.87 and 421,764.44

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Solution

The fourth proportional to 1,180,127.95, 1,769,757.87 and 421,764.44 is: 632,491.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,180,127.95 : 1,769,757.87 = 421,764.44 : x
  2. Step 2: Convert to fraction form
    1,180,127.95/1,769,757.87 = 421,764.44/x
  3. Step 3: Cross multiply
    1,180,127.95x = 1,769,757.87 × 421,764.44
  4. Step 4: Simplify right side
    1,180,127.95x = 746,420,934,867.32
  5. Step 5: Solve for x
    x = 746,420,934,867.32/1,180,127.95
  6. Step 6: Final answer
    x = 632,491.53

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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.