Home / 1,009,276.20-1,392,832.26-579,642.48

Finding the Fourth Proportional to 1,009,276.20, 1,392,832.26 and 579,642.48

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Solution

The fourth proportional to 1,009,276.20, 1,392,832.26 and 579,642.48 is: 799,924.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,009,276.20 : 1,392,832.26 = 579,642.48 : x
  2. Step 2: Convert to fraction form
    1,009,276.20/1,392,832.26 = 579,642.48/x
  3. Step 3: Cross multiply
    1,009,276.20x = 1,392,832.26 × 579,642.48
  4. Step 4: Simplify right side
    1,009,276.20x = 807,344,745,410.41
  5. Step 5: Solve for x
    x = 807,344,745,410.41/1,009,276.20
  6. Step 6: Final answer
    x = 799,924.49

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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.