Home / 1,720,961.80-2,582,609.10-1,120,460.20

Finding the Fourth Proportional to 1,720,961.80, 2,582,609.10 and 1,120,460.20

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Solution

The fourth proportional to 1,720,961.80, 2,582,609.10 and 1,120,460.20 is: 1,681,449.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,720,961.80 : 2,582,609.10 = 1,120,460.20 : x
  2. Step 2: Convert to fraction form
    1,720,961.80/2,582,609.10 = 1,120,460.20/x
  3. Step 3: Cross multiply
    1,720,961.80x = 2,582,609.10 × 1,120,460.20
  4. Step 4: Simplify right side
    1,720,961.80x = 2,893,710,708,707.82
  5. Step 5: Solve for x
    x = 2,893,710,708,707.82/1,720,961.80
  6. Step 6: Final answer
    x = 1,681,449.70

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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.