Home / 1,387,235.41-2,080,806.21-488,653.67

Finding the Fourth Proportional to 1,387,235.41, 2,080,806.21 and 488,653.67

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Solution

The fourth proportional to 1,387,235.41, 2,080,806.21 and 488,653.67 is: 732,963.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,387,235.41 : 2,080,806.21 = 488,653.67 : x
  2. Step 2: Convert to fraction form
    1,387,235.41/2,080,806.21 = 488,653.67/x
  3. Step 3: Cross multiply
    1,387,235.41x = 2,080,806.21 × 488,653.67
  4. Step 4: Simplify right side
    1,387,235.41x = 1,016,793,581,892.89
  5. Step 5: Solve for x
    x = 1,016,793,581,892.89/1,387,235.41
  6. Step 6: Final answer
    x = 732,963.98

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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.