Home / 990,378.62-1,373,714.76-964,128.33

Finding the Fourth Proportional to 990,378.62, 1,373,714.76 and 964,128.33

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Solution

The fourth proportional to 990,378.62, 1,373,714.76 and 964,128.33 is: 1,337,304.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    990,378.62 : 1,373,714.76 = 964,128.33 : x
  2. Step 2: Convert to fraction form
    990,378.62/1,373,714.76 = 964,128.33/x
  3. Step 3: Cross multiply
    990,378.62x = 1,373,714.76 × 964,128.33
  4. Step 4: Simplify right side
    990,378.62x = 1,324,437,312,215.83
  5. Step 5: Solve for x
    x = 1,324,437,312,215.83/990,378.62
  6. Step 6: Final answer
    x = 1,337,304.02

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.