Home / 1,319,811.52-1,821,339.90-716,199.52

Finding the Fourth Proportional to 1,319,811.52, 1,821,339.90 and 716,199.52

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Solution

The fourth proportional to 1,319,811.52, 1,821,339.90 and 716,199.52 is: 988,355.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,319,811.52 : 1,821,339.90 = 716,199.52 : x
  2. Step 2: Convert to fraction form
    1,319,811.52/1,821,339.90 = 716,199.52/x
  3. Step 3: Cross multiply
    1,319,811.52x = 1,821,339.90 × 716,199.52
  4. Step 4: Simplify right side
    1,319,811.52x = 1,304,442,766,121.03
  5. Step 5: Solve for x
    x = 1,304,442,766,121.03/1,319,811.52
  6. Step 6: Final answer
    x = 988,355.34

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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.