Home / 1,207,285.40-1,809,776.10-448,923.80

Finding the Fourth Proportional to 1,207,285.40, 1,809,776.10 and 448,923.80

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Solution

The fourth proportional to 1,207,285.40, 1,809,776.10 and 448,923.80 is: 672,957.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,207,285.40 : 1,809,776.10 = 448,923.80 : x
  2. Step 2: Convert to fraction form
    1,207,285.40/1,809,776.10 = 448,923.80/x
  3. Step 3: Cross multiply
    1,207,285.40x = 1,809,776.10 × 448,923.80
  4. Step 4: Simplify right side
    1,207,285.40x = 812,451,563,961.18
  5. Step 5: Solve for x
    x = 812,451,563,961.18/1,207,285.40
  6. Step 6: Final answer
    x = 672,957.33

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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.