Home / 1,174,498.60-1,620,921.78-658,340.20

Finding the Fourth Proportional to 1,174,498.60, 1,620,921.78 and 658,340.20

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Solution

The fourth proportional to 1,174,498.60, 1,620,921.78 and 658,340.20 is: 908,573.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,174,498.60 : 1,620,921.78 = 658,340.20 : x
  2. Step 2: Convert to fraction form
    1,174,498.60/1,620,921.78 = 658,340.20/x
  3. Step 3: Cross multiply
    1,174,498.60x = 1,620,921.78 × 658,340.20
  4. Step 4: Simplify right side
    1,174,498.60x = 1,067,117,968,829.56
  5. Step 5: Solve for x
    x = 1,067,117,968,829.56/1,174,498.60
  6. Step 6: Final answer
    x = 908,573.21

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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.