Home / 1,715,949.80-2,363,465.04-1,278,966.80

Finding the Fourth Proportional to 1,715,949.80, 2,363,465.04 and 1,278,966.80

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Solution

The fourth proportional to 1,715,949.80, 2,363,465.04 and 1,278,966.80 is: 1,761,586.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,715,949.80 : 2,363,465.04 = 1,278,966.80 : x
  2. Step 2: Convert to fraction form
    1,715,949.80/2,363,465.04 = 1,278,966.80/x
  3. Step 3: Cross multiply
    1,715,949.80x = 2,363,465.04 × 1,278,966.80
  4. Step 4: Simplify right side
    1,715,949.80x = 3,022,793,319,120.67
  5. Step 5: Solve for x
    x = 3,022,793,319,120.67/1,715,949.80
  6. Step 6: Final answer
    x = 1,761,586.10

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.