Home / 1,151,950.40-1,726,524.72-815,088.12

Finding the Fourth Proportional to 1,151,950.40, 1,726,524.72 and 815,088.12

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Solution

The fourth proportional to 1,151,950.40, 1,726,524.72 and 815,088.12 is: 1,221,640.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,151,950.40 : 1,726,524.72 = 815,088.12 : x
  2. Step 2: Convert to fraction form
    1,151,950.40/1,726,524.72 = 815,088.12/x
  3. Step 3: Cross multiply
    1,151,950.40x = 1,726,524.72 × 815,088.12
  4. Step 4: Simplify right side
    1,151,950.40x = 1,407,269,788,158.33
  5. Step 5: Solve for x
    x = 1,407,269,788,158.33/1,151,950.40
  6. Step 6: Final answer
    x = 1,221,640.96

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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.