Home / 1,188,511.20-1,780,033.05-975,934.80

Finding the Fourth Proportional to 1,188,511.20, 1,780,033.05 and 975,934.80

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Solution

The fourth proportional to 1,188,511.20, 1,780,033.05 and 975,934.80 is: 1,461,657.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,188,511.20 : 1,780,033.05 = 975,934.80 : x
  2. Step 2: Convert to fraction form
    1,188,511.20/1,780,033.05 = 975,934.80/x
  3. Step 3: Cross multiply
    1,188,511.20x = 1,780,033.05 × 975,934.80
  4. Step 4: Simplify right side
    1,188,511.20x = 1,737,196,198,645.14
  5. Step 5: Solve for x
    x = 1,737,196,198,645.14/1,188,511.20
  6. Step 6: Final answer
    x = 1,461,657.41

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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.