Home / 1,399,087.94-2,098,397.14-388,312.58

Finding the Fourth Proportional to 1,399,087.94, 2,098,397.14 and 388,312.58

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Solution

The fourth proportional to 1,399,087.94, 2,098,397.14 and 388,312.58 is: 582,403.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,399,087.94 : 2,098,397.14 = 388,312.58 : x
  2. Step 2: Convert to fraction form
    1,399,087.94/2,098,397.14 = 388,312.58/x
  3. Step 3: Cross multiply
    1,399,087.94x = 2,098,397.14 × 388,312.58
  4. Step 4: Simplify right side
    1,399,087.94x = 814,834,007,298.02
  5. Step 5: Solve for x
    x = 814,834,007,298.02/1,399,087.94
  6. Step 6: Final answer
    x = 582,403.71

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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.