Home / 1,739,418.80-2,609,128.20-1,208,577.20

Finding the Fourth Proportional to 1,739,418.80, 2,609,128.20 and 1,208,577.20

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Solution

The fourth proportional to 1,739,418.80, 2,609,128.20 and 1,208,577.20 is: 1,812,865.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,739,418.80 : 2,609,128.20 = 1,208,577.20 : x
  2. Step 2: Convert to fraction form
    1,739,418.80/2,609,128.20 = 1,208,577.20/x
  3. Step 3: Cross multiply
    1,739,418.80x = 2,609,128.20 × 1,208,577.20
  4. Step 4: Simplify right side
    1,739,418.80x = 3,153,332,854,397.04
  5. Step 5: Solve for x
    x = 3,153,332,854,397.04/1,739,418.80
  6. Step 6: Final answer
    x = 1,812,865.80

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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.