Home / 1,292,482.92-1,782,465.26-809,092.10

Finding the Fourth Proportional to 1,292,482.92, 1,782,465.26 and 809,092.10

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Solution

The fourth proportional to 1,292,482.92, 1,782,465.26 and 809,092.10 is: 1,115,820.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,292,482.92 : 1,782,465.26 = 809,092.10 : x
  2. Step 2: Convert to fraction form
    1,292,482.92/1,782,465.26 = 809,092.10/x
  3. Step 3: Cross multiply
    1,292,482.92x = 1,782,465.26 × 809,092.10
  4. Step 4: Simplify right side
    1,292,482.92x = 1,442,178,560,390.45
  5. Step 5: Solve for x
    x = 1,442,178,560,390.45/1,292,482.92
  6. Step 6: Final answer
    x = 1,115,820.21

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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.