Home / 1,125,723.90-1,553,496.39-616,421.82

Finding the Fourth Proportional to 1,125,723.90, 1,553,496.39 and 616,421.82

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Solution

The fourth proportional to 1,125,723.90, 1,553,496.39 and 616,421.82 is: 850,660.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,125,723.90 : 1,553,496.39 = 616,421.82 : x
  2. Step 2: Convert to fraction form
    1,125,723.90/1,553,496.39 = 616,421.82/x
  3. Step 3: Cross multiply
    1,125,723.90x = 1,553,496.39 × 616,421.82
  4. Step 4: Simplify right side
    1,125,723.90x = 957,609,072,087.23
  5. Step 5: Solve for x
    x = 957,609,072,087.23/1,125,723.90
  6. Step 6: Final answer
    x = 850,660.69

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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.