Home / 830,110.20-1,245,165.30-824,861.40

Finding the Fourth Proportional to 830,110.20, 1,245,165.30 and 824,861.40

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Solution

The fourth proportional to 830,110.20, 1,245,165.30 and 824,861.40 is: 1,237,292.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,110.20 : 1,245,165.30 = 824,861.40 : x
  2. Step 2: Convert to fraction form
    830,110.20/1,245,165.30 = 824,861.40/x
  3. Step 3: Cross multiply
    830,110.20x = 1,245,165.30 × 824,861.40
  4. Step 4: Simplify right side
    830,110.20x = 1,027,088,792,589.42
  5. Step 5: Solve for x
    x = 1,027,088,792,589.42/830,110.20
  6. Step 6: Final answer
    x = 1,237,292.10

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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.