Home / 1,331,056.26-1,996,695.12-432,478.14

Finding the Fourth Proportional to 1,331,056.26, 1,996,695.12 and 432,478.14

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Solution

The fourth proportional to 1,331,056.26, 1,996,695.12 and 432,478.14 is: 648,753.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,331,056.26 : 1,996,695.12 = 432,478.14 : x
  2. Step 2: Convert to fraction form
    1,331,056.26/1,996,695.12 = 432,478.14/x
  3. Step 3: Cross multiply
    1,331,056.26x = 1,996,695.12 × 432,478.14
  4. Step 4: Simplify right side
    1,331,056.26x = 863,526,991,644.68
  5. Step 5: Solve for x
    x = 863,526,991,644.68/1,331,056.26
  6. Step 6: Final answer
    x = 648,753.19

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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.