Home / 1,186,950.12-1,780,696.54-398,982.12

Finding the Fourth Proportional to 1,186,950.12, 1,780,696.54 and 398,982.12

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Solution

The fourth proportional to 1,186,950.12, 1,780,696.54 and 398,982.12 is: 598,564.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,186,950.12 : 1,780,696.54 = 398,982.12 : x
  2. Step 2: Convert to fraction form
    1,186,950.12/1,780,696.54 = 398,982.12/x
  3. Step 3: Cross multiply
    1,186,950.12x = 1,780,696.54 × 398,982.12
  4. Step 4: Simplify right side
    1,186,950.12x = 710,466,080,605.87
  5. Step 5: Solve for x
    x = 710,466,080,605.87/1,186,950.12
  6. Step 6: Final answer
    x = 598,564.40

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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.