Home / 1,308,492.34-1,961,575.27-509,589.30

Finding the Fourth Proportional to 1,308,492.34, 1,961,575.27 and 509,589.30

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Solution

The fourth proportional to 1,308,492.34, 1,961,575.27 and 509,589.30 is: 763,930.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,308,492.34 : 1,961,575.27 = 509,589.30 : x
  2. Step 2: Convert to fraction form
    1,308,492.34/1,961,575.27 = 509,589.30/x
  3. Step 3: Cross multiply
    1,308,492.34x = 1,961,575.27 × 509,589.30
  4. Step 4: Simplify right side
    1,308,492.34x = 999,597,768,736.61
  5. Step 5: Solve for x
    x = 999,597,768,736.61/1,308,492.34
  6. Step 6: Final answer
    x = 763,930.93

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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.