Home / 1,213,998.54-1,675,318.30-670,134.70

Finding the Fourth Proportional to 1,213,998.54, 1,675,318.30 and 670,134.70

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Solution

The fourth proportional to 1,213,998.54, 1,675,318.30 and 670,134.70 is: 924,786.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,213,998.54 : 1,675,318.30 = 670,134.70 : x
  2. Step 2: Convert to fraction form
    1,213,998.54/1,675,318.30 = 670,134.70/x
  3. Step 3: Cross multiply
    1,213,998.54x = 1,675,318.30 × 670,134.70
  4. Step 4: Simplify right side
    1,213,998.54x = 1,122,688,917,998.42
  5. Step 5: Solve for x
    x = 1,122,688,917,998.42/1,213,998.54
  6. Step 6: Final answer
    x = 924,786.05

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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.