Home / 879,196.20-1,315,295.10-762,167.40

Finding the Fourth Proportional to 879,196.20, 1,315,295.10 and 762,167.40

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Solution

The fourth proportional to 879,196.20, 1,315,295.10 and 762,167.40 is: 1,140,217.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    879,196.20 : 1,315,295.10 = 762,167.40 : x
  2. Step 2: Convert to fraction form
    879,196.20/1,315,295.10 = 762,167.40/x
  3. Step 3: Cross multiply
    879,196.20x = 1,315,295.10 × 762,167.40
  4. Step 4: Simplify right side
    879,196.20x = 1,002,475,046,599.74
  5. Step 5: Solve for x
    x = 1,002,475,046,599.74/879,196.20
  6. Step 6: Final answer
    x = 1,140,217.67

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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.