Home / 1,063,904.20-1,597,022.70-664,995.40

Finding the Fourth Proportional to 1,063,904.20, 1,597,022.70 and 664,995.40

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Solution

The fourth proportional to 1,063,904.20, 1,597,022.70 and 664,995.40 is: 998,222.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,063,904.20 : 1,597,022.70 = 664,995.40 : x
  2. Step 2: Convert to fraction form
    1,063,904.20/1,597,022.70 = 664,995.40/x
  3. Step 3: Cross multiply
    1,063,904.20x = 1,597,022.70 × 664,995.40
  4. Step 4: Simplify right side
    1,063,904.20x = 1,062,012,749,195.58
  5. Step 5: Solve for x
    x = 1,062,012,749,195.58/1,063,904.20
  6. Step 6: Final answer
    x = 998,222.16

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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.