Home / 1,545,678.61-2,318,523.84-646,489.58

Finding the Fourth Proportional to 1,545,678.61, 2,318,523.84 and 646,489.58

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Solution

The fourth proportional to 1,545,678.61, 2,318,523.84 and 646,489.58 is: 969,736.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,545,678.61 : 2,318,523.84 = 646,489.58 : x
  2. Step 2: Convert to fraction form
    1,545,678.61/2,318,523.84 = 646,489.58/x
  3. Step 3: Cross multiply
    1,545,678.61x = 2,318,523.84 × 646,489.58
  4. Step 4: Simplify right side
    1,545,678.61x = 1,498,901,501,651.84
  5. Step 5: Solve for x
    x = 1,498,901,501,651.84/1,545,678.61
  6. Step 6: Final answer
    x = 969,736.84

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.