Home / 990,932.40-1,367,704.44-651,432.24

Finding the Fourth Proportional to 990,932.40, 1,367,704.44 and 651,432.24

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Solution

The fourth proportional to 990,932.40, 1,367,704.44 and 651,432.24 is: 899,119.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    990,932.40 : 1,367,704.44 = 651,432.24 : x
  2. Step 2: Convert to fraction form
    990,932.40/1,367,704.44 = 651,432.24/x
  3. Step 3: Cross multiply
    990,932.40x = 1,367,704.44 × 651,432.24
  4. Step 4: Simplify right side
    990,932.40x = 890,966,767,007.15
  5. Step 5: Solve for x
    x = 890,966,767,007.15/990,932.40
  6. Step 6: Final answer
    x = 899,119.62

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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.