Home / 880,613.40-1,320,920.10-868,803.60

Finding the Fourth Proportional to 880,613.40, 1,320,920.10 and 868,803.60

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Solution

The fourth proportional to 880,613.40, 1,320,920.10 and 868,803.60 is: 1,303,205.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,613.40 : 1,320,920.10 = 868,803.60 : x
  2. Step 2: Convert to fraction form
    880,613.40/1,320,920.10 = 868,803.60/x
  3. Step 3: Cross multiply
    880,613.40x = 1,320,920.10 × 868,803.60
  4. Step 4: Simplify right side
    880,613.40x = 1,147,620,138,192.36
  5. Step 5: Solve for x
    x = 1,147,620,138,192.36/880,613.40
  6. Step 6: Final answer
    x = 1,303,205.40

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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.