Home / 1,214,690.96-1,676,244.84-670,815.92

Finding the Fourth Proportional to 1,214,690.96, 1,676,244.84 and 670,815.92

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Solution

The fourth proportional to 1,214,690.96, 1,676,244.84 and 670,815.92 is: 925,710.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,214,690.96 : 1,676,244.84 = 670,815.92 : x
  2. Step 2: Convert to fraction form
    1,214,690.96/1,676,244.84 = 670,815.92/x
  3. Step 3: Cross multiply
    1,214,690.96x = 1,676,244.84 × 670,815.92
  4. Step 4: Simplify right side
    1,214,690.96x = 1,124,451,724,489.85
  5. Step 5: Solve for x
    x = 1,124,451,724,489.85/1,214,690.96
  6. Step 6: Final answer
    x = 925,710.13

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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.