Home / 1,179,125.01-1,769,061.29-420,949.67

Finding the Fourth Proportional to 1,179,125.01, 1,769,061.29 and 420,949.67

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Solution

The fourth proportional to 1,179,125.01, 1,769,061.29 and 420,949.67 is: 631,557.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,179,125.01 : 1,769,061.29 = 420,949.67 : x
  2. Step 2: Convert to fraction form
    1,179,125.01/1,769,061.29 = 420,949.67/x
  3. Step 3: Cross multiply
    1,179,125.01x = 1,769,061.29 × 420,949.67
  4. Step 4: Simplify right side
    1,179,125.01x = 744,685,755,285.22
  5. Step 5: Solve for x
    x = 744,685,755,285.22/1,179,125.01
  6. Step 6: Final answer
    x = 631,557.93

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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.