Home / 1,303,179.24-1,797,320.70-917,272.05

Finding the Fourth Proportional to 1,303,179.24, 1,797,320.70 and 917,272.05

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Solution

The fourth proportional to 1,303,179.24, 1,797,320.70 and 917,272.05 is: 1,265,084.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,303,179.24 : 1,797,320.70 = 917,272.05 : x
  2. Step 2: Convert to fraction form
    1,303,179.24/1,797,320.70 = 917,272.05/x
  3. Step 3: Cross multiply
    1,303,179.24x = 1,797,320.70 × 917,272.05
  4. Step 4: Simplify right side
    1,303,179.24x = 1,648,632,042,996.44
  5. Step 5: Solve for x
    x = 1,648,632,042,996.44/1,303,179.24
  6. Step 6: Final answer
    x = 1,265,084.64

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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.