Home / 1,520,748.75-2,098,490.82-908,779.68

Finding the Fourth Proportional to 1,520,748.75, 2,098,490.82 and 908,779.68

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Solution

The fourth proportional to 1,520,748.75, 2,098,490.82 and 908,779.68 is: 1,254,030.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,520,748.75 : 2,098,490.82 = 908,779.68 : x
  2. Step 2: Convert to fraction form
    1,520,748.75/2,098,490.82 = 908,779.68/x
  3. Step 3: Cross multiply
    1,520,748.75x = 2,098,490.82 × 908,779.68
  4. Step 4: Simplify right side
    1,520,748.75x = 1,907,065,815,882.54
  5. Step 5: Solve for x
    x = 1,907,065,815,882.54/1,520,748.75
  6. Step 6: Final answer
    x = 1,254,030.83

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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.