Home / 864,070.80-1,296,106.20-814,207.20

Finding the Fourth Proportional to 864,070.80, 1,296,106.20 and 814,207.20

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Solution

The fourth proportional to 864,070.80, 1,296,106.20 and 814,207.20 is: 1,221,310.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    864,070.80 : 1,296,106.20 = 814,207.20 : x
  2. Step 2: Convert to fraction form
    864,070.80/1,296,106.20 = 814,207.20/x
  3. Step 3: Cross multiply
    864,070.80x = 1,296,106.20 × 814,207.20
  4. Step 4: Simplify right side
    864,070.80x = 1,055,299,000,004.64
  5. Step 5: Solve for x
    x = 1,055,299,000,004.64/864,070.80
  6. Step 6: Final answer
    x = 1,221,310.80

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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.