Home / 1,381,962.81-2,062,133.88-1,238,344.58

Finding the Fourth Proportional to 1,381,962.81, 2,062,133.88 and 1,238,344.58

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Solution

The fourth proportional to 1,381,962.81, 2,062,133.88 and 1,238,344.58 is: 1,847,829.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,381,962.81 : 2,062,133.88 = 1,238,344.58 : x
  2. Step 2: Convert to fraction form
    1,381,962.81/2,062,133.88 = 1,238,344.58/x
  3. Step 3: Cross multiply
    1,381,962.81x = 2,062,133.88 × 1,238,344.58
  4. Step 4: Simplify right side
    1,381,962.81x = 2,553,632,303,221.70
  5. Step 5: Solve for x
    x = 2,553,632,303,221.70/1,381,962.81
  6. Step 6: Final answer
    x = 1,847,829.97

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.