Home / 855,666.48-1,281,654.37-805,361.16

Finding the Fourth Proportional to 855,666.48, 1,281,654.37 and 805,361.16

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Solution

The fourth proportional to 855,666.48, 1,281,654.37 and 805,361.16 is: 1,206,304.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    855,666.48 : 1,281,654.37 = 805,361.16 : x
  2. Step 2: Convert to fraction form
    855,666.48/1,281,654.37 = 805,361.16/x
  3. Step 3: Cross multiply
    855,666.48x = 1,281,654.37 × 805,361.16
  4. Step 4: Simplify right side
    855,666.48x = 1,032,194,641,720.59
  5. Step 5: Solve for x
    x = 1,032,194,641,720.59/855,666.48
  6. Step 6: Final answer
    x = 1,206,304.88

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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.