Home / 1,125,870.72-1,553,706.56-616,576.64

Finding the Fourth Proportional to 1,125,870.72, 1,553,706.56 and 616,576.64

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Solution

The fourth proportional to 1,125,870.72, 1,553,706.56 and 616,576.64 is: 850,878.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,125,870.72 : 1,553,706.56 = 616,576.64 : x
  2. Step 2: Convert to fraction form
    1,125,870.72/1,553,706.56 = 616,576.64/x
  3. Step 3: Cross multiply
    1,125,870.72x = 1,553,706.56 × 616,576.64
  4. Step 4: Simplify right side
    1,125,870.72x = 957,979,170,310.76
  5. Step 5: Solve for x
    x = 957,979,170,310.76/1,125,870.72
  6. Step 6: Final answer
    x = 850,878.48

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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.