Home / 1,247,824.30-1,721,997.54-674,864.46

Finding the Fourth Proportional to 1,247,824.30, 1,721,997.54 and 674,864.46

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Solution

The fourth proportional to 1,247,824.30, 1,721,997.54 and 674,864.46 is: 931,312.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,247,824.30 : 1,721,997.54 = 674,864.46 : x
  2. Step 2: Convert to fraction form
    1,247,824.30/1,721,997.54 = 674,864.46/x
  3. Step 3: Cross multiply
    1,247,824.30x = 1,721,997.54 × 674,864.46
  4. Step 4: Simplify right side
    1,247,824.30x = 1,162,114,939,953.43
  5. Step 5: Solve for x
    x = 1,162,114,939,953.43/1,247,824.30
  6. Step 6: Final answer
    x = 931,312.96

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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.