Home / 1,307,452.78-1,961,281.23-508,672.90

Finding the Fourth Proportional to 1,307,452.78, 1,961,281.23 and 508,672.90

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Solution

The fourth proportional to 1,307,452.78, 1,961,281.23 and 508,672.90 is: 763,049.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,307,452.78 : 1,961,281.23 = 508,672.90 : x
  2. Step 2: Convert to fraction form
    1,307,452.78/1,961,281.23 = 508,672.90/x
  3. Step 3: Cross multiply
    1,307,452.78x = 1,961,281.23 × 508,672.90
  4. Step 4: Simplify right side
    1,307,452.78x = 997,650,610,979.67
  5. Step 5: Solve for x
    x = 997,650,610,979.67/1,307,452.78
  6. Step 6: Final answer
    x = 763,049.06

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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.