Home / 1,379,230.89-1,903,114.35-767,367.93

Finding the Fourth Proportional to 1,379,230.89, 1,903,114.35 and 767,367.93

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Solution

The fourth proportional to 1,379,230.89, 1,903,114.35 and 767,367.93 is: 1,058,842.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,379,230.89 : 1,903,114.35 = 767,367.93 : x
  2. Step 2: Convert to fraction form
    1,379,230.89/1,903,114.35 = 767,367.93/x
  3. Step 3: Cross multiply
    1,379,230.89x = 1,903,114.35 × 767,367.93
  4. Step 4: Simplify right side
    1,379,230.89x = 1,460,388,919,312.80
  5. Step 5: Solve for x
    x = 1,460,388,919,312.80/1,379,230.89
  6. Step 6: Final answer
    x = 1,058,842.96

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.