Home / 1,116,021.40-1,670,532.90-801,093.40

Finding the Fourth Proportional to 1,116,021.40, 1,670,532.90 and 801,093.40

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Solution

The fourth proportional to 1,116,021.40, 1,670,532.90 and 801,093.40 is: 1,199,128.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,116,021.40 : 1,670,532.90 = 801,093.40 : x
  2. Step 2: Convert to fraction form
    1,116,021.40/1,670,532.90 = 801,093.40/x
  3. Step 3: Cross multiply
    1,116,021.40x = 1,670,532.90 × 801,093.40
  4. Step 4: Simplify right side
    1,116,021.40x = 1,338,252,880,672.86
  5. Step 5: Solve for x
    x = 1,338,252,880,672.86/1,116,021.40
  6. Step 6: Final answer
    x = 1,199,128.33

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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.