Home / 1,318,733-1,977,922.38-372,179.72

Finding the Fourth Proportional to 1,318,733, 1,977,922.38 and 372,179.72

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Solution

The fourth proportional to 1,318,733, 1,977,922.38 and 372,179.72 is: 558,219.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,318,733 : 1,977,922.38 = 372,179.72 : x
  2. Step 2: Convert to fraction form
    1,318,733/1,977,922.38 = 372,179.72/x
  3. Step 3: Cross multiply
    1,318,733x = 1,977,922.38 × 372,179.72
  4. Step 4: Simplify right side
    1,318,733x = 736,142,597,570.13
  5. Step 5: Solve for x
    x = 736,142,597,570.13/1,318,733
  6. Step 6: Final answer
    x = 558,219.59

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.