Home / 977,269.80-1,469,841.30-874,918.20

Finding the Fourth Proportional to 977,269.80, 1,469,841.30 and 874,918.20

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Solution

The fourth proportional to 977,269.80, 1,469,841.30 and 874,918.20 is: 1,315,901.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    977,269.80 : 1,469,841.30 = 874,918.20 : x
  2. Step 2: Convert to fraction form
    977,269.80/1,469,841.30 = 874,918.20/x
  3. Step 3: Cross multiply
    977,269.80x = 1,469,841.30 × 874,918.20
  4. Step 4: Simplify right side
    977,269.80x = 1,285,990,904,481.66
  5. Step 5: Solve for x
    x = 1,285,990,904,481.66/977,269.80
  6. Step 6: Final answer
    x = 1,315,901.61

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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.