Home / 1,117,222.12-1,674,520.77-516,914.92

Finding the Fourth Proportional to 1,117,222.12, 1,674,520.77 and 516,914.92

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Solution

The fourth proportional to 1,117,222.12, 1,674,520.77 and 516,914.92 is: 774,765.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,117,222.12 : 1,674,520.77 = 516,914.92 : x
  2. Step 2: Convert to fraction form
    1,117,222.12/1,674,520.77 = 516,914.92/x
  3. Step 3: Cross multiply
    1,117,222.12x = 1,674,520.77 × 516,914.92
  4. Step 4: Simplify right side
    1,117,222.12x = 865,584,761,490.29
  5. Step 5: Solve for x
    x = 865,584,761,490.29/1,117,222.12
  6. Step 6: Final answer
    x = 774,765.15

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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.