Home / 1,434,792.25-1,980,102.85-790,212.27

Finding the Fourth Proportional to 1,434,792.25, 1,980,102.85 and 790,212.27

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Solution

The fourth proportional to 1,434,792.25, 1,980,102.85 and 790,212.27 is: 1,090,542.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,434,792.25 : 1,980,102.85 = 790,212.27 : x
  2. Step 2: Convert to fraction form
    1,434,792.25/1,980,102.85 = 790,212.27/x
  3. Step 3: Cross multiply
    1,434,792.25x = 1,980,102.85 × 790,212.27
  4. Step 4: Simplify right side
    1,434,792.25x = 1,564,701,565,956.44
  5. Step 5: Solve for x
    x = 1,564,701,565,956.44/1,434,792.25
  6. Step 6: Final answer
    x = 1,090,542.25

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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.