Home / 1,488,629.98-2,232,045.96-667,818.30

Finding the Fourth Proportional to 1,488,629.98, 2,232,045.96 and 667,818.30

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Solution

The fourth proportional to 1,488,629.98, 2,232,045.96 and 667,818.30 is: 1,001,324.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,488,629.98 : 2,232,045.96 = 667,818.30 : x
  2. Step 2: Convert to fraction form
    1,488,629.98/2,232,045.96 = 667,818.30/x
  3. Step 3: Cross multiply
    1,488,629.98x = 2,232,045.96 × 667,818.30
  4. Step 4: Simplify right side
    1,488,629.98x = 1,490,601,139,995.53
  5. Step 5: Solve for x
    x = 1,490,601,139,995.53/1,488,629.98
  6. Step 6: Final answer
    x = 1,001,324.14

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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.