Home / 1,131,746.57-1,697,620.25-278,834.79

Finding the Fourth Proportional to 1,131,746.57, 1,697,620.25 and 278,834.79

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Solution

The fourth proportional to 1,131,746.57, 1,697,620.25 and 278,834.79 is: 418,252.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,131,746.57 : 1,697,620.25 = 278,834.79 : x
  2. Step 2: Convert to fraction form
    1,131,746.57/1,697,620.25 = 278,834.79/x
  3. Step 3: Cross multiply
    1,131,746.57x = 1,697,620.25 × 278,834.79
  4. Step 4: Simplify right side
    1,131,746.57x = 473,355,584,514.32
  5. Step 5: Solve for x
    x = 473,355,584,514.32/1,131,746.57
  6. Step 6: Final answer
    x = 418,252.28

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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.