Home / 1,121,118.33-1,680,677.55-410,980.61

Finding the Fourth Proportional to 1,121,118.33, 1,680,677.55 and 410,980.61

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Solution

The fourth proportional to 1,121,118.33, 1,680,677.55 and 410,980.61 is: 616,104.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,121,118.33 : 1,680,677.55 = 410,980.61 : x
  2. Step 2: Convert to fraction form
    1,121,118.33/1,680,677.55 = 410,980.61/x
  3. Step 3: Cross multiply
    1,121,118.33x = 1,680,677.55 × 410,980.61
  4. Step 4: Simplify right side
    1,121,118.33x = 690,725,876,308.92
  5. Step 5: Solve for x
    x = 690,725,876,308.92/1,121,118.33
  6. Step 6: Final answer
    x = 616,104.35

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1.5x scale

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.