Home / 1,016,222.22-1,401,160.68-878,154.48

Finding the Fourth Proportional to 1,016,222.22, 1,401,160.68 and 878,154.48

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Solution

The fourth proportional to 1,016,222.22, 1,401,160.68 and 878,154.48 is: 1,210,793.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,016,222.22 : 1,401,160.68 = 878,154.48 : x
  2. Step 2: Convert to fraction form
    1,016,222.22/1,401,160.68 = 878,154.48/x
  3. Step 3: Cross multiply
    1,016,222.22x = 1,401,160.68 × 878,154.48
  4. Step 4: Simplify right side
    1,016,222.22x = 1,230,435,528,341.85
  5. Step 5: Solve for x
    x = 1,230,435,528,341.85/1,016,222.22
  6. Step 6: Final answer
    x = 1,210,793.77

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.