Home / 1,295,970.20-1,788,404.36-722,995.64

Finding the Fourth Proportional to 1,295,970.20, 1,788,404.36 and 722,995.64

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Solution

The fourth proportional to 1,295,970.20, 1,788,404.36 and 722,995.64 is: 997,714.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,295,970.20 : 1,788,404.36 = 722,995.64 : x
  2. Step 2: Convert to fraction form
    1,295,970.20/1,788,404.36 = 722,995.64/x
  3. Step 3: Cross multiply
    1,295,970.20x = 1,788,404.36 × 722,995.64
  4. Step 4: Simplify right side
    1,295,970.20x = 1,293,008,554,836.99
  5. Step 5: Solve for x
    x = 1,293,008,554,836.99/1,295,970.20
  6. Step 6: Final answer
    x = 997,714.73

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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.