Home / 1,434,793.75-1,980,104.92-790,213.77

Finding the Fourth Proportional to 1,434,793.75, 1,980,104.92 and 790,213.77

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Solution

The fourth proportional to 1,434,793.75, 1,980,104.92 and 790,213.77 is: 1,090,544.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,434,793.75 : 1,980,104.92 = 790,213.77 : x
  2. Step 2: Convert to fraction form
    1,434,793.75/1,980,104.92 = 790,213.77/x
  3. Step 3: Cross multiply
    1,434,793.75x = 1,980,104.92 × 790,213.77
  4. Step 4: Simplify right side
    1,434,793.75x = 1,564,706,173,828.75
  5. Step 5: Solve for x
    x = 1,564,706,173,828.75/1,434,793.75
  6. Step 6: Final answer
    x = 1,090,544.32

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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.