Home / 1,214,273.46-1,675,686.64-670,397.66

Finding the Fourth Proportional to 1,214,273.46, 1,675,686.64 and 670,397.66

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Solution

The fourth proportional to 1,214,273.46, 1,675,686.64 and 670,397.66 is: 925,142.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,214,273.46 : 1,675,686.64 = 670,397.66 : x
  2. Step 2: Convert to fraction form
    1,214,273.46/1,675,686.64 = 670,397.66/x
  3. Step 3: Cross multiply
    1,214,273.46x = 1,675,686.64 × 670,397.66
  4. Step 4: Simplify right side
    1,214,273.46x = 1,123,376,409,261.39
  5. Step 5: Solve for x
    x = 1,123,376,409,261.39/1,214,273.46
  6. Step 6: Final answer
    x = 925,142.85

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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.