Home / 1,458,156.60-2,187,228.96-393,306.48

Finding the Fourth Proportional to 1,458,156.60, 2,187,228.96 and 393,306.48

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Solution

The fourth proportional to 1,458,156.60, 2,187,228.96 and 393,306.48 is: 589,958.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,458,156.60 : 2,187,228.96 = 393,306.48 : x
  2. Step 2: Convert to fraction form
    1,458,156.60/2,187,228.96 = 393,306.48/x
  3. Step 3: Cross multiply
    1,458,156.60x = 2,187,228.96 × 393,306.48
  4. Step 4: Simplify right side
    1,458,156.60x = 860,251,323,211.66
  5. Step 5: Solve for x
    x = 860,251,323,211.66/1,458,156.60
  6. Step 6: Final answer
    x = 589,958.12

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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.