Home / 1,458,311.10-2,187,466.65-393,460.80

Finding the Fourth Proportional to 1,458,311.10, 2,187,466.65 and 393,460.80

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Solution

The fourth proportional to 1,458,311.10, 2,187,466.65 and 393,460.80 is: 590,191.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,458,311.10 : 2,187,466.65 = 393,460.80 : x
  2. Step 2: Convert to fraction form
    1,458,311.10/2,187,466.65 = 393,460.80/x
  3. Step 3: Cross multiply
    1,458,311.10x = 2,187,466.65 × 393,460.80
  4. Step 4: Simplify right side
    1,458,311.10x = 860,682,378,082.32
  5. Step 5: Solve for x
    x = 860,682,378,082.32/1,458,311.10
  6. Step 6: Final answer
    x = 590,191.20

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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.