Home / 1,155,920.48-1,734,376.80-446,446.72

Finding the Fourth Proportional to 1,155,920.48, 1,734,376.80 and 446,446.72

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Solution

The fourth proportional to 1,155,920.48, 1,734,376.80 and 446,446.72 is: 669,861.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,155,920.48 : 1,734,376.80 = 446,446.72 : x
  2. Step 2: Convert to fraction form
    1,155,920.48/1,734,376.80 = 446,446.72/x
  3. Step 3: Cross multiply
    1,155,920.48x = 1,734,376.80 × 446,446.72
  4. Step 4: Simplify right side
    1,155,920.48x = 774,306,833,604.10
  5. Step 5: Solve for x
    x = 774,306,833,604.10/1,155,920.48
  6. Step 6: Final answer
    x = 669,861.68

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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.