Home / 1,116,633.90-1,674,432.45-485,222.70

Finding the Fourth Proportional to 1,116,633.90, 1,674,432.45 and 485,222.70

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Solution

The fourth proportional to 1,116,633.90, 1,674,432.45 and 485,222.70 is: 727,608.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,116,633.90 : 1,674,432.45 = 485,222.70 : x
  2. Step 2: Convert to fraction form
    1,116,633.90/1,674,432.45 = 485,222.70/x
  3. Step 3: Cross multiply
    1,116,633.90x = 1,674,432.45 × 485,222.70
  4. Step 4: Simplify right side
    1,116,633.90x = 812,472,634,356.62
  5. Step 5: Solve for x
    x = 812,472,634,356.62/1,116,633.90
  6. Step 6: Final answer
    x = 727,608.78

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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.