Home / 1,690,379.68-2,535,550.32-410,994.40

Finding the Fourth Proportional to 1,690,379.68, 2,535,550.32 and 410,994.40

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Solution

The fourth proportional to 1,690,379.68, 2,535,550.32 and 410,994.40 is: 616,486.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,690,379.68 : 2,535,550.32 = 410,994.40 : x
  2. Step 2: Convert to fraction form
    1,690,379.68/2,535,550.32 = 410,994.40/x
  3. Step 3: Cross multiply
    1,690,379.68x = 2,535,550.32 × 410,994.40
  4. Step 4: Simplify right side
    1,690,379.68x = 1,042,096,982,438.21
  5. Step 5: Solve for x
    x = 1,042,096,982,438.21/1,690,379.68
  6. Step 6: Final answer
    x = 616,486.93

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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.