Home / 1,190,923.20-1,643,475.96-647,061.12

Finding the Fourth Proportional to 1,190,923.20, 1,643,475.96 and 647,061.12

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Solution

The fourth proportional to 1,190,923.20, 1,643,475.96 and 647,061.12 is: 892,945.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,190,923.20 : 1,643,475.96 = 647,061.12 : x
  2. Step 2: Convert to fraction form
    1,190,923.20/1,643,475.96 = 647,061.12/x
  3. Step 3: Cross multiply
    1,190,923.20x = 1,643,475.96 × 647,061.12
  4. Step 4: Simplify right side
    1,190,923.20x = 1,063,429,395,370.68
  5. Step 5: Solve for x
    x = 1,063,429,395,370.68/1,190,923.20
  6. Step 6: Final answer
    x = 892,945.40

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.