Home / 1,259,885.10-1,738,632.69-715,978.20

Finding the Fourth Proportional to 1,259,885.10, 1,738,632.69 and 715,978.20

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Solution

The fourth proportional to 1,259,885.10, 1,738,632.69 and 715,978.20 is: 988,044.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,259,885.10 : 1,738,632.69 = 715,978.20 : x
  2. Step 2: Convert to fraction form
    1,259,885.10/1,738,632.69 = 715,978.20/x
  3. Step 3: Cross multiply
    1,259,885.10x = 1,738,632.69 × 715,978.20
  4. Step 4: Simplify right side
    1,259,885.10x = 1,244,823,103,847.36
  5. Step 5: Solve for x
    x = 1,244,823,103,847.36/1,259,885.10
  6. Step 6: Final answer
    x = 988,044.94

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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.