Home / 1,121,569.80-1,682,354.70-447,755.10

Finding the Fourth Proportional to 1,121,569.80, 1,682,354.70 and 447,755.10

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Solution

The fourth proportional to 1,121,569.80, 1,682,354.70 and 447,755.10 is: 671,632.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,121,569.80 : 1,682,354.70 = 447,755.10 : x
  2. Step 2: Convert to fraction form
    1,121,569.80/1,682,354.70 = 447,755.10/x
  3. Step 3: Cross multiply
    1,121,569.80x = 1,682,354.70 × 447,755.10
  4. Step 4: Simplify right side
    1,121,569.80x = 753,282,896,933.97
  5. Step 5: Solve for x
    x = 753,282,896,933.97/1,121,569.80
  6. Step 6: Final answer
    x = 671,632.65

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Double scale
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Similar ratio
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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.