Home / 1,247,008.88-1,720,871.88-674,048.72

Finding the Fourth Proportional to 1,247,008.88, 1,720,871.88 and 674,048.72

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Solution

The fourth proportional to 1,247,008.88, 1,720,871.88 and 674,048.72 is: 930,187.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,247,008.88 : 1,720,871.88 = 674,048.72 : x
  2. Step 2: Convert to fraction form
    1,247,008.88/1,720,871.88 = 674,048.72/x
  3. Step 3: Cross multiply
    1,247,008.88x = 1,720,871.88 × 674,048.72
  4. Step 4: Simplify right side
    1,247,008.88x = 1,159,951,487,997.99
  5. Step 5: Solve for x
    x = 1,159,951,487,997.99/1,247,008.88
  6. Step 6: Final answer
    x = 930,187.03

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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.