Home / 1,340,410.80-1,849,150.44-1,187,604.84

Finding the Fourth Proportional to 1,340,410.80, 1,849,150.44 and 1,187,604.84

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Solution

The fourth proportional to 1,340,410.80, 1,849,150.44 and 1,187,604.84 is: 1,638,348.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,340,410.80 : 1,849,150.44 = 1,187,604.84 : x
  2. Step 2: Convert to fraction form
    1,340,410.80/1,849,150.44 = 1,187,604.84/x
  3. Step 3: Cross multiply
    1,340,410.80x = 1,849,150.44 × 1,187,604.84
  4. Step 4: Simplify right side
    1,340,410.80x = 2,196,060,012,432.13
  5. Step 5: Solve for x
    x = 2,196,060,012,432.13/1,340,410.80
  6. Step 6: Final answer
    x = 1,638,348.49

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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.