Home / 1,465,499.87-2,022,367.65-820,943.13

Finding the Fourth Proportional to 1,465,499.87, 2,022,367.65 and 820,943.13

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Solution

The fourth proportional to 1,465,499.87, 2,022,367.65 and 820,943.13 is: 1,132,889.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,465,499.87 : 2,022,367.65 = 820,943.13 : x
  2. Step 2: Convert to fraction form
    1,465,499.87/2,022,367.65 = 820,943.13/x
  3. Step 3: Cross multiply
    1,465,499.87x = 2,022,367.65 × 820,943.13
  4. Step 4: Simplify right side
    1,465,499.87x = 1,660,248,833,458.97
  5. Step 5: Solve for x
    x = 1,660,248,833,458.97/1,465,499.87
  6. Step 6: Final answer
    x = 1,132,889.10

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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.