Home / 1,458,478.58-2,187,717.88-393,520.64

Finding the Fourth Proportional to 1,458,478.58, 2,187,717.88 and 393,520.64

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Solution

The fourth proportional to 1,458,478.58, 2,187,717.88 and 393,520.64 is: 590,280.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,458,478.58 : 2,187,717.88 = 393,520.64 : x
  2. Step 2: Convert to fraction form
    1,458,478.58/2,187,717.88 = 393,520.64/x
  3. Step 3: Cross multiply
    1,458,478.58x = 2,187,717.88 × 393,520.64
  4. Step 4: Simplify right side
    1,458,478.58x = 860,912,145,012.23
  5. Step 5: Solve for x
    x = 860,912,145,012.23/1,458,478.58
  6. Step 6: Final answer
    x = 590,280.96

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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.