Home / 1,379,503.57-2,069,231.46-620,808.16

Finding the Fourth Proportional to 1,379,503.57, 2,069,231.46 and 620,808.16

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Solution

The fourth proportional to 1,379,503.57, 2,069,231.46 and 620,808.16 is: 931,201.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,379,503.57 : 2,069,231.46 = 620,808.16 : x
  2. Step 2: Convert to fraction form
    1,379,503.57/2,069,231.46 = 620,808.16/x
  3. Step 3: Cross multiply
    1,379,503.57x = 2,069,231.46 × 620,808.16
  4. Step 4: Simplify right side
    1,379,503.57x = 1,284,595,775,296.71
  5. Step 5: Solve for x
    x = 1,284,595,775,296.71/1,379,503.57
  6. Step 6: Final answer
    x = 931,201.49

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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.