Home / 879,445.20-1,319,167.80-790,798.80

Finding the Fourth Proportional to 879,445.20, 1,319,167.80 and 790,798.80

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Solution

The fourth proportional to 879,445.20, 1,319,167.80 and 790,798.80 is: 1,186,198.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    879,445.20 : 1,319,167.80 = 790,798.80 : x
  2. Step 2: Convert to fraction form
    879,445.20/1,319,167.80 = 790,798.80/x
  3. Step 3: Cross multiply
    879,445.20x = 1,319,167.80 × 790,798.80
  4. Step 4: Simplify right side
    879,445.20x = 1,043,196,313,238.64
  5. Step 5: Solve for x
    x = 1,043,196,313,238.64/879,445.20
  6. Step 6: Final answer
    x = 1,186,198.20

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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.