Home / 1,672,930.45-2,308,648.40-908,967.61

Finding the Fourth Proportional to 1,672,930.45, 2,308,648.40 and 908,967.61

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Solution

The fourth proportional to 1,672,930.45, 2,308,648.40 and 908,967.61 is: 1,254,377.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,672,930.45 : 2,308,648.40 = 908,967.61 : x
  2. Step 2: Convert to fraction form
    1,672,930.45/2,308,648.40 = 908,967.61/x
  3. Step 3: Cross multiply
    1,672,930.45x = 2,308,648.40 × 908,967.61
  4. Step 4: Simplify right side
    1,672,930.45x = 2,098,486,618,478.32
  5. Step 5: Solve for x
    x = 2,098,486,618,478.32/1,672,930.45
  6. Step 6: Final answer
    x = 1,254,377.68

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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.