Home / 1,340,090.63-1,849,319.00-728,231.82

Finding the Fourth Proportional to 1,340,090.63, 1,849,319.00 and 728,231.82

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Solution

The fourth proportional to 1,340,090.63, 1,849,319.00 and 728,231.82 is: 1,004,956.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,340,090.63 : 1,849,319.00 = 728,231.82 : x
  2. Step 2: Convert to fraction form
    1,340,090.63/1,849,319.00 = 728,231.82/x
  3. Step 3: Cross multiply
    1,340,090.63x = 1,849,319.00 × 728,231.82
  4. Step 4: Simplify right side
    1,340,090.63x = 1,346,732,933,285.34
  5. Step 5: Solve for x
    x = 1,346,732,933,285.34/1,340,090.63
  6. Step 6: Final answer
    x = 1,004,956.61

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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.