Home / 999,841.83-1,379,747.42-570,260.37

Finding the Fourth Proportional to 999,841.83, 1,379,747.42 and 570,260.37

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Solution

The fourth proportional to 999,841.83, 1,379,747.42 and 570,260.37 is: 786,939.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    999,841.83 : 1,379,747.42 = 570,260.37 : x
  2. Step 2: Convert to fraction form
    999,841.83/1,379,747.42 = 570,260.37/x
  3. Step 3: Cross multiply
    999,841.83x = 1,379,747.42 × 570,260.37
  4. Step 4: Simplify right side
    999,841.83x = 786,815,271,384.44
  5. Step 5: Solve for x
    x = 786,815,271,384.44/999,841.83
  6. Step 6: Final answer
    x = 786,939.74

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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.