Home / 1,211,808.10-1,817,712.15-788,793.70

Finding the Fourth Proportional to 1,211,808.10, 1,817,712.15 and 788,793.70

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Solution

The fourth proportional to 1,211,808.10, 1,817,712.15 and 788,793.70 is: 1,183,190.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,211,808.10 : 1,817,712.15 = 788,793.70 : x
  2. Step 2: Convert to fraction form
    1,211,808.10/1,817,712.15 = 788,793.70/x
  3. Step 3: Cross multiply
    1,211,808.10x = 1,817,712.15 × 788,793.70
  4. Step 4: Simplify right side
    1,211,808.10x = 1,433,799,892,333.45
  5. Step 5: Solve for x
    x = 1,433,799,892,333.45/1,211,808.10
  6. Step 6: Final answer
    x = 1,183,190.55

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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.