Home / 1,224,562.13-1,689,751.38-727,768.67

Finding the Fourth Proportional to 1,224,562.13, 1,689,751.38 and 727,768.67

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Solution

The fourth proportional to 1,224,562.13, 1,689,751.38 and 727,768.67 is: 1,004,234.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,224,562.13 : 1,689,751.38 = 727,768.67 : x
  2. Step 2: Convert to fraction form
    1,224,562.13/1,689,751.38 = 727,768.67/x
  3. Step 3: Cross multiply
    1,224,562.13x = 1,689,751.38 × 727,768.67
  4. Step 4: Simplify right side
    1,224,562.13x = 1,229,748,118,897.19
  5. Step 5: Solve for x
    x = 1,229,748,118,897.19/1,224,562.13
  6. Step 6: Final answer
    x = 1,004,234.98

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.