Home / 1,103,796.20-1,655,284.70-438,810.60

Finding the Fourth Proportional to 1,103,796.20, 1,655,284.70 and 438,810.60

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Solution

The fourth proportional to 1,103,796.20, 1,655,284.70 and 438,810.60 is: 658,053.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,103,796.20 : 1,655,284.70 = 438,810.60 : x
  2. Step 2: Convert to fraction form
    1,103,796.20/1,655,284.70 = 438,810.60/x
  3. Step 3: Cross multiply
    1,103,796.20x = 1,655,284.70 × 438,810.60
  4. Step 4: Simplify right side
    1,103,796.20x = 726,356,472,377.82
  5. Step 5: Solve for x
    x = 726,356,472,377.82/1,103,796.20
  6. Step 6: Final answer
    x = 658,053.06

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.