Home / 1,477,906.20-2,216,859.30-680,744.70

Finding the Fourth Proportional to 1,477,906.20, 2,216,859.30 and 680,744.70

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Solution

The fourth proportional to 1,477,906.20, 2,216,859.30 and 680,744.70 is: 1,021,117.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,477,906.20 : 2,216,859.30 = 680,744.70 : x
  2. Step 2: Convert to fraction form
    1,477,906.20/2,216,859.30 = 680,744.70/x
  3. Step 3: Cross multiply
    1,477,906.20x = 2,216,859.30 × 680,744.70
  4. Step 4: Simplify right side
    1,477,906.20x = 1,509,115,219,120.71
  5. Step 5: Solve for x
    x = 1,509,115,219,120.71/1,477,906.20
  6. Step 6: Final answer
    x = 1,021,117.05

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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.