Home / 1,247,036.77-1,720,909.96-674,076.94

Finding the Fourth Proportional to 1,247,036.77, 1,720,909.96 and 674,076.94

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Solution

The fourth proportional to 1,247,036.77, 1,720,909.96 and 674,076.94 is: 930,225.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,247,036.77 : 1,720,909.96 = 674,076.94 : x
  2. Step 2: Convert to fraction form
    1,247,036.77/1,720,909.96 = 674,076.94/x
  3. Step 3: Cross multiply
    1,247,036.77x = 1,720,909.96 × 674,076.94
  4. Step 4: Simplify right side
    1,247,036.77x = 1,160,025,722,496.60
  5. Step 5: Solve for x
    x = 1,160,025,722,496.60/1,247,036.77
  6. Step 6: Final answer
    x = 930,225.76

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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.