Home / 1,379,184.98-2,068,756.71-620,490.67

Finding the Fourth Proportional to 1,379,184.98, 2,068,756.71 and 620,490.67

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Solution

The fourth proportional to 1,379,184.98, 2,068,756.71 and 620,490.67 is: 930,726.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,379,184.98 : 2,068,756.71 = 620,490.67 : x
  2. Step 2: Convert to fraction form
    1,379,184.98/2,068,756.71 = 620,490.67/x
  3. Step 3: Cross multiply
    1,379,184.98x = 2,068,756.71 × 620,490.67
  4. Step 4: Simplify right side
    1,379,184.98x = 1,283,644,240,675.56
  5. Step 5: Solve for x
    x = 1,283,644,240,675.56/1,379,184.98
  6. Step 6: Final answer
    x = 930,726.67

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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.