Home / 876,871.70-1,315,307.55-827,882.90

Finding the Fourth Proportional to 876,871.70, 1,315,307.55 and 827,882.90

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Solution

The fourth proportional to 876,871.70, 1,315,307.55 and 827,882.90 is: 1,241,824.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,871.70 : 1,315,307.55 = 827,882.90 : x
  2. Step 2: Convert to fraction form
    876,871.70/1,315,307.55 = 827,882.90/x
  3. Step 3: Cross multiply
    876,871.70x = 1,315,307.55 × 827,882.90
  4. Step 4: Simplify right side
    876,871.70x = 1,088,920,628,885.90
  5. Step 5: Solve for x
    x = 1,088,920,628,885.90/876,871.70
  6. Step 6: Final answer
    x = 1,241,824.35

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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.