Home / 1,379,744.98-2,069,618.05-620,699.86

Finding the Fourth Proportional to 1,379,744.98, 2,069,618.05 and 620,699.86

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Solution

The fourth proportional to 1,379,744.98, 2,069,618.05 and 620,699.86 is: 931,050.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,379,744.98 : 2,069,618.05 = 620,699.86 : x
  2. Step 2: Convert to fraction form
    1,379,744.98/2,069,618.05 = 620,699.86/x
  3. Step 3: Cross multiply
    1,379,744.98x = 2,069,618.05 × 620,699.86
  4. Step 4: Simplify right side
    1,379,744.98x = 1,284,611,633,888.47
  5. Step 5: Solve for x
    x = 1,284,611,633,888.47/1,379,744.98
  6. Step 6: Final answer
    x = 931,050.05

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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.