Home / 1,479,813.18-2,219,999.76-469,189.68

Finding the Fourth Proportional to 1,479,813.18, 2,219,999.76 and 469,189.68

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Solution

The fourth proportional to 1,479,813.18, 2,219,999.76 and 469,189.68 is: 703,873.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,479,813.18 : 2,219,999.76 = 469,189.68 : x
  2. Step 2: Convert to fraction form
    1,479,813.18/2,219,999.76 = 469,189.68/x
  3. Step 3: Cross multiply
    1,479,813.18x = 2,219,999.76 × 469,189.68
  4. Step 4: Simplify right side
    1,479,813.18x = 1,041,600,976,994.48
  5. Step 5: Solve for x
    x = 1,041,600,976,994.48/1,479,813.18
  6. Step 6: Final answer
    x = 703,873.29

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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.