Home / 1,560,651.31-2,340,976.98-438,720.31

Finding the Fourth Proportional to 1,560,651.31, 2,340,976.98 and 438,720.31

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Solution

The fourth proportional to 1,560,651.31, 2,340,976.98 and 438,720.31 is: 658,080.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,560,651.31 : 2,340,976.98 = 438,720.31 : x
  2. Step 2: Convert to fraction form
    1,560,651.31/2,340,976.98 = 438,720.31/x
  3. Step 3: Cross multiply
    1,560,651.31x = 2,340,976.98 × 438,720.31
  4. Step 4: Simplify right side
    1,560,651.31x = 1,027,034,146,368.46
  5. Step 5: Solve for x
    x = 1,027,034,146,368.46/1,560,651.31
  6. Step 6: Final answer
    x = 658,080.47

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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.