Home / 1,071,639.45-1,478,857.23-588,212.82

Finding the Fourth Proportional to 1,071,639.45, 1,478,857.23 and 588,212.82

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Solution

The fourth proportional to 1,071,639.45, 1,478,857.23 and 588,212.82 is: 811,730.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,071,639.45 : 1,478,857.23 = 588,212.82 : x
  2. Step 2: Convert to fraction form
    1,071,639.45/1,478,857.23 = 588,212.82/x
  3. Step 3: Cross multiply
    1,071,639.45x = 1,478,857.23 × 588,212.82
  4. Step 4: Simplify right side
    1,071,639.45x = 869,882,781,635.69
  5. Step 5: Solve for x
    x = 869,882,781,635.69/1,071,639.45
  6. Step 6: Final answer
    x = 811,730.83

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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.