Home / 1,145,769.76-1,718,655.36-435,633.76

Finding the Fourth Proportional to 1,145,769.76, 1,718,655.36 and 435,633.76

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Solution

The fourth proportional to 1,145,769.76, 1,718,655.36 and 435,633.76 is: 653,450.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,145,769.76 : 1,718,655.36 = 435,633.76 : x
  2. Step 2: Convert to fraction form
    1,145,769.76/1,718,655.36 = 435,633.76/x
  3. Step 3: Cross multiply
    1,145,769.76x = 1,718,655.36 × 435,633.76
  4. Step 4: Simplify right side
    1,145,769.76x = 748,704,296,620.95
  5. Step 5: Solve for x
    x = 748,704,296,620.95/1,145,769.76
  6. Step 6: Final answer
    x = 653,450.91

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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.