Home / 1,661,377.80-2,491,937.10-650,303.40

Finding the Fourth Proportional to 1,661,377.80, 2,491,937.10 and 650,303.40

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Solution

The fourth proportional to 1,661,377.80, 2,491,937.10 and 650,303.40 is: 975,404.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,661,377.80 : 2,491,937.10 = 650,303.40 : x
  2. Step 2: Convert to fraction form
    1,661,377.80/2,491,937.10 = 650,303.40/x
  3. Step 3: Cross multiply
    1,661,377.80x = 2,491,937.10 × 650,303.40
  4. Step 4: Simplify right side
    1,661,377.80x = 1,620,515,168,716.14
  5. Step 5: Solve for x
    x = 1,620,515,168,716.14/1,661,377.80
  6. Step 6: Final answer
    x = 975,404.37

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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.