Home / 1,292,499.36-1,783,591.58-740,819.61

Finding the Fourth Proportional to 1,292,499.36, 1,783,591.58 and 740,819.61

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Solution

The fourth proportional to 1,292,499.36, 1,783,591.58 and 740,819.61 is: 1,022,298.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,292,499.36 : 1,783,591.58 = 740,819.61 : x
  2. Step 2: Convert to fraction form
    1,292,499.36/1,783,591.58 = 740,819.61/x
  3. Step 3: Cross multiply
    1,292,499.36x = 1,783,591.58 × 740,819.61
  4. Step 4: Simplify right side
    1,292,499.36x = 1,321,319,614,990.79
  5. Step 5: Solve for x
    x = 1,321,319,614,990.79/1,292,499.36
  6. Step 6: Final answer
    x = 1,022,298.08

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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.