Home / 878,920.40-1,316,825.40-822,933.20

Finding the Fourth Proportional to 878,920.40, 1,316,825.40 and 822,933.20

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Solution

The fourth proportional to 878,920.40, 1,316,825.40 and 822,933.20 is: 1,232,943.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    878,920.40 : 1,316,825.40 = 822,933.20 : x
  2. Step 2: Convert to fraction form
    878,920.40/1,316,825.40 = 822,933.20/x
  3. Step 3: Cross multiply
    878,920.40x = 1,316,825.40 × 822,933.20
  4. Step 4: Simplify right side
    878,920.40x = 1,083,659,340,263.28
  5. Step 5: Solve for x
    x = 1,083,659,340,263.28/878,920.40
  6. Step 6: Final answer
    x = 1,232,943.67

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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.