Home / 1,244,998.80-1,867,498.20-772,606.80

Finding the Fourth Proportional to 1,244,998.80, 1,867,498.20 and 772,606.80

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Solution

The fourth proportional to 1,244,998.80, 1,867,498.20 and 772,606.80 is: 1,158,910.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,244,998.80 : 1,867,498.20 = 772,606.80 : x
  2. Step 2: Convert to fraction form
    1,244,998.80/1,867,498.20 = 772,606.80/x
  3. Step 3: Cross multiply
    1,244,998.80x = 1,867,498.20 × 772,606.80
  4. Step 4: Simplify right side
    1,244,998.80x = 1,442,841,808,307.76
  5. Step 5: Solve for x
    x = 1,442,841,808,307.76/1,244,998.80
  6. Step 6: Final answer
    x = 1,158,910.20

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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.