Home / 1,332,722.48-1,999,082.04-434,162.72

Finding the Fourth Proportional to 1,332,722.48, 1,999,082.04 and 434,162.72

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Solution

The fourth proportional to 1,332,722.48, 1,999,082.04 and 434,162.72 is: 651,243.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,332,722.48 : 1,999,082.04 = 434,162.72 : x
  2. Step 2: Convert to fraction form
    1,332,722.48/1,999,082.04 = 434,162.72/x
  3. Step 3: Cross multiply
    1,332,722.48x = 1,999,082.04 × 434,162.72
  4. Step 4: Simplify right side
    1,332,722.48x = 867,926,895,989.55
  5. Step 5: Solve for x
    x = 867,926,895,989.55/1,332,722.48
  6. Step 6: Final answer
    x = 651,243.53

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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.