Home / 1,720,728.20-2,580,746.70-822,168.20

Finding the Fourth Proportional to 1,720,728.20, 2,580,746.70 and 822,168.20

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Solution

The fourth proportional to 1,720,728.20, 2,580,746.70 and 822,168.20 is: 1,233,087.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,720,728.20 : 2,580,746.70 = 822,168.20 : x
  2. Step 2: Convert to fraction form
    1,720,728.20/2,580,746.70 = 822,168.20/x
  3. Step 3: Cross multiply
    1,720,728.20x = 2,580,746.70 × 822,168.20
  4. Step 4: Simplify right side
    1,720,728.20x = 2,121,807,868,994.94
  5. Step 5: Solve for x
    x = 2,121,807,868,994.94/1,720,728.20
  6. Step 6: Final answer
    x = 1,233,087.17

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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.