Home / 1,672,589.76-2,308,176.60-908,643.96

Finding the Fourth Proportional to 1,672,589.76, 2,308,176.60 and 908,643.96

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Solution

The fourth proportional to 1,672,589.76, 2,308,176.60 and 908,643.96 is: 1,253,930.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,672,589.76 : 2,308,176.60 = 908,643.96 : x
  2. Step 2: Convert to fraction form
    1,672,589.76/2,308,176.60 = 908,643.96/x
  3. Step 3: Cross multiply
    1,672,589.76x = 2,308,176.60 × 908,643.96
  4. Step 4: Simplify right side
    1,672,589.76x = 2,097,310,726,203.34
  5. Step 5: Solve for x
    x = 2,097,310,726,203.34/1,672,589.76
  6. Step 6: Final answer
    x = 1,253,930.15

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.