Home / 1,465,784.49-2,022,996.33-821,248.32

Finding the Fourth Proportional to 1,465,784.49, 2,022,996.33 and 821,248.32

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Solution

The fourth proportional to 1,465,784.49, 2,022,996.33 and 821,248.32 is: 1,133,442.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,465,784.49 : 2,022,996.33 = 821,248.32 : x
  2. Step 2: Convert to fraction form
    1,465,784.49/2,022,996.33 = 821,248.32/x
  3. Step 3: Cross multiply
    1,465,784.49x = 2,022,996.33 × 821,248.32
  4. Step 4: Simplify right side
    1,465,784.49x = 1,661,382,337,378.67
  5. Step 5: Solve for x
    x = 1,661,382,337,378.67/1,465,784.49
  6. Step 6: Final answer
    x = 1,133,442.43

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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.