Home / 1,092,887.40-1,639,331.10-774,022.80

Finding the Fourth Proportional to 1,092,887.40, 1,639,331.10 and 774,022.80

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Solution

The fourth proportional to 1,092,887.40, 1,639,331.10 and 774,022.80 is: 1,161,034.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,092,887.40 : 1,639,331.10 = 774,022.80 : x
  2. Step 2: Convert to fraction form
    1,092,887.40/1,639,331.10 = 774,022.80/x
  3. Step 3: Cross multiply
    1,092,887.40x = 1,639,331.10 × 774,022.80
  4. Step 4: Simplify right side
    1,092,887.40x = 1,268,879,648,149.08
  5. Step 5: Solve for x
    x = 1,268,879,648,149.08/1,092,887.40
  6. Step 6: Final answer
    x = 1,161,034.20

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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.