Home / 1,379,629.04-1,903,848.96-767,772

Finding the Fourth Proportional to 1,379,629.04, 1,903,848.96 and 767,772

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Solution

The fourth proportional to 1,379,629.04, 1,903,848.96 and 767,772 is: 1,059,503.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,379,629.04 : 1,903,848.96 = 767,772 : x
  2. Step 2: Convert to fraction form
    1,379,629.04/1,903,848.96 = 767,772/x
  3. Step 3: Cross multiply
    1,379,629.04x = 1,903,848.96 × 767,772
  4. Step 4: Simplify right side
    1,379,629.04x = 1,461,721,923,717.12
  5. Step 5: Solve for x
    x = 1,461,721,923,717.12/1,379,629.04
  6. Step 6: Final answer
    x = 1,059,503.59

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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.