Home / 824,417.80-1,236,626.70-684,449.80

Finding the Fourth Proportional to 824,417.80, 1,236,626.70 and 684,449.80

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Solution

The fourth proportional to 824,417.80, 1,236,626.70 and 684,449.80 is: 1,026,674.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    824,417.80 : 1,236,626.70 = 684,449.80 : x
  2. Step 2: Convert to fraction form
    824,417.80/1,236,626.70 = 684,449.80/x
  3. Step 3: Cross multiply
    824,417.80x = 1,236,626.70 × 684,449.80
  4. Step 4: Simplify right side
    824,417.80x = 846,408,897,489.66
  5. Step 5: Solve for x
    x = 846,408,897,489.66/824,417.80
  6. Step 6: Final answer
    x = 1,026,674.70

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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.