Home / 1,009,321.68-1,392,846.36-550,439.76

Finding the Fourth Proportional to 1,009,321.68, 1,392,846.36 and 550,439.76

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Solution

The fourth proportional to 1,009,321.68, 1,392,846.36 and 550,439.76 is: 759,597.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,009,321.68 : 1,392,846.36 = 550,439.76 : x
  2. Step 2: Convert to fraction form
    1,009,321.68/1,392,846.36 = 550,439.76/x
  3. Step 3: Cross multiply
    1,009,321.68x = 1,392,846.36 × 550,439.76
  4. Step 4: Simplify right side
    1,009,321.68x = 766,678,016,115.27
  5. Step 5: Solve for x
    x = 766,678,016,115.27/1,009,321.68
  6. Step 6: Final answer
    x = 759,597.29

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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.