Home / 1,188,566.60-1,639,382.10-736,003.40

Finding the Fourth Proportional to 1,188,566.60, 1,639,382.10 and 736,003.40

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Solution

The fourth proportional to 1,188,566.60, 1,639,382.10 and 736,003.40 is: 1,015,164.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,188,566.60 : 1,639,382.10 = 736,003.40 : x
  2. Step 2: Convert to fraction form
    1,188,566.60/1,639,382.10 = 736,003.40/x
  3. Step 3: Cross multiply
    1,188,566.60x = 1,639,382.10 × 736,003.40
  4. Step 4: Simplify right side
    1,188,566.60x = 1,206,590,799,499.14
  5. Step 5: Solve for x
    x = 1,206,590,799,499.14/1,188,566.60
  6. Step 6: Final answer
    x = 1,015,164.65

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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.