Home / 1,434,792.75-1,980,103.54-790,212.77

Finding the Fourth Proportional to 1,434,792.75, 1,980,103.54 and 790,212.77

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Solution

The fourth proportional to 1,434,792.75, 1,980,103.54 and 790,212.77 is: 1,090,542.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,434,792.75 : 1,980,103.54 = 790,212.77 : x
  2. Step 2: Convert to fraction form
    1,434,792.75/1,980,103.54 = 790,212.77/x
  3. Step 3: Cross multiply
    1,434,792.75x = 1,980,103.54 × 790,212.77
  4. Step 4: Simplify right side
    1,434,792.75x = 1,564,703,101,254.67
  5. Step 5: Solve for x
    x = 1,564,703,101,254.67/1,434,792.75
  6. Step 6: Final answer
    x = 1,090,542.94

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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.