Home / 1,009,399.44-1,392,972.60-550,515.12

Finding the Fourth Proportional to 1,009,399.44, 1,392,972.60 and 550,515.12

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Solution

The fourth proportional to 1,009,399.44, 1,392,972.60 and 550,515.12 is: 759,711.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,009,399.44 : 1,392,972.60 = 550,515.12 : x
  2. Step 2: Convert to fraction form
    1,009,399.44/1,392,972.60 = 550,515.12/x
  3. Step 3: Cross multiply
    1,009,399.44x = 1,392,972.60 × 550,515.12
  4. Step 4: Simplify right side
    1,009,399.44x = 766,852,478,045.71
  5. Step 5: Solve for x
    x = 766,852,478,045.71/1,009,399.44
  6. Step 6: Final answer
    x = 759,711.61

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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.