Home / 1,307,451.78-1,961,279.73-508,671.90

Finding the Fourth Proportional to 1,307,451.78, 1,961,279.73 and 508,671.90

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Solution

The fourth proportional to 1,307,451.78, 1,961,279.73 and 508,671.90 is: 763,047.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,307,451.78 : 1,961,279.73 = 508,671.90 : x
  2. Step 2: Convert to fraction form
    1,307,451.78/1,961,279.73 = 508,671.90/x
  3. Step 3: Cross multiply
    1,307,451.78x = 1,961,279.73 × 508,671.90
  4. Step 4: Simplify right side
    1,307,451.78x = 997,647,886,690.59
  5. Step 5: Solve for x
    x = 997,647,886,690.59/1,307,451.78
  6. Step 6: Final answer
    x = 763,047.56

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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.