Home / 1,071,536.12-1,606,885.26-388,260.66

Finding the Fourth Proportional to 1,071,536.12, 1,606,885.26 and 388,260.66

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Solution

The fourth proportional to 1,071,536.12, 1,606,885.26 and 388,260.66 is: 582,239.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,071,536.12 : 1,606,885.26 = 388,260.66 : x
  2. Step 2: Convert to fraction form
    1,071,536.12/1,606,885.26 = 388,260.66/x
  3. Step 3: Cross multiply
    1,071,536.12x = 1,606,885.26 × 388,260.66
  4. Step 4: Simplify right side
    1,071,536.12x = 623,890,331,591.87
  5. Step 5: Solve for x
    x = 623,890,331,591.87/1,071,536.12
  6. Step 6: Final answer
    x = 582,239.20

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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.