Home / 1,762,070.20-2,643,105.30-1,085,959.15

Finding the Fourth Proportional to 1,762,070.20, 2,643,105.30 and 1,085,959.15

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Solution

The fourth proportional to 1,762,070.20, 2,643,105.30 and 1,085,959.15 is: 1,628,938.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,762,070.20 : 2,643,105.30 = 1,085,959.15 : x
  2. Step 2: Convert to fraction form
    1,762,070.20/2,643,105.30 = 1,085,959.15/x
  3. Step 3: Cross multiply
    1,762,070.20x = 2,643,105.30 × 1,085,959.15
  4. Step 4: Simplify right side
    1,762,070.20x = 2,870,304,384,948.49
  5. Step 5: Solve for x
    x = 2,870,304,384,948.49/1,762,070.20
  6. Step 6: Final answer
    x = 1,628,938.73

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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.