Home / 878,426.01-1,315,128.83-822,625.11

Finding the Fourth Proportional to 878,426.01, 1,315,128.83 and 822,625.11

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Solution

The fourth proportional to 878,426.01, 1,315,128.83 and 822,625.11 is: 1,231,586.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    878,426.01 : 1,315,128.83 = 822,625.11 : x
  2. Step 2: Convert to fraction form
    878,426.01/1,315,128.83 = 822,625.11/x
  3. Step 3: Cross multiply
    878,426.01x = 1,315,128.83 × 822,625.11
  4. Step 4: Simplify right side
    878,426.01x = 1,081,857,994,329.80
  5. Step 5: Solve for x
    x = 1,081,857,994,329.80/878,426.01
  6. Step 6: Final answer
    x = 1,231,586.93

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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.