Home / 1,178,342.82-1,626,160.05-669,092.58

Finding the Fourth Proportional to 1,178,342.82, 1,626,160.05 and 669,092.58

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Solution

The fourth proportional to 1,178,342.82, 1,626,160.05 and 669,092.58 is: 923,374.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,178,342.82 : 1,626,160.05 = 669,092.58 : x
  2. Step 2: Convert to fraction form
    1,178,342.82/1,626,160.05 = 669,092.58/x
  3. Step 3: Cross multiply
    1,178,342.82x = 1,626,160.05 × 669,092.58
  4. Step 4: Simplify right side
    1,178,342.82x = 1,088,051,623,347.43
  5. Step 5: Solve for x
    x = 1,088,051,623,347.43/1,178,342.82
  6. Step 6: Final answer
    x = 923,374.42

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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.