Home / 1,146,128.54-1,581,580.76-629,871.32

Finding the Fourth Proportional to 1,146,128.54, 1,581,580.76 and 629,871.32

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Solution

The fourth proportional to 1,146,128.54, 1,581,580.76 and 629,871.32 is: 869,180.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,146,128.54 : 1,581,580.76 = 629,871.32 : x
  2. Step 2: Convert to fraction form
    1,146,128.54/1,581,580.76 = 629,871.32/x
  3. Step 3: Cross multiply
    1,146,128.54x = 1,581,580.76 × 629,871.32
  4. Step 4: Simplify right side
    1,146,128.54x = 996,192,361,792.40
  5. Step 5: Solve for x
    x = 996,192,361,792.40/1,146,128.54
  6. Step 6: Final answer
    x = 869,180.32

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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.