Home / 1,259,432.13-1,738,016.84-715,568.64

Finding the Fourth Proportional to 1,259,432.13, 1,738,016.84 and 715,568.64

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Solution

The fourth proportional to 1,259,432.13, 1,738,016.84 and 715,568.64 is: 987,485.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,259,432.13 : 1,738,016.84 = 715,568.64 : x
  2. Step 2: Convert to fraction form
    1,259,432.13/1,738,016.84 = 715,568.64/x
  3. Step 3: Cross multiply
    1,259,432.13x = 1,738,016.84 × 715,568.64
  4. Step 4: Simplify right side
    1,259,432.13x = 1,243,670,341,767.26
  5. Step 5: Solve for x
    x = 1,243,670,341,767.26/1,259,432.13
  6. Step 6: Final answer
    x = 987,485.00

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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.