Home / 1,637,709.60-2,454,231.60-1,207,891.20

Finding the Fourth Proportional to 1,637,709.60, 2,454,231.60 and 1,207,891.20

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Solution

The fourth proportional to 1,637,709.60, 2,454,231.60 and 1,207,891.20 is: 1,810,116.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,637,709.60 : 2,454,231.60 = 1,207,891.20 : x
  2. Step 2: Convert to fraction form
    1,637,709.60/2,454,231.60 = 1,207,891.20/x
  3. Step 3: Cross multiply
    1,637,709.60x = 2,454,231.60 × 1,207,891.20
  4. Step 4: Simplify right side
    1,637,709.60x = 2,964,444,752,401.92
  5. Step 5: Solve for x
    x = 2,964,444,752,401.92/1,637,709.60
  6. Step 6: Final answer
    x = 1,810,116.25

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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.