Home / 1,631,113.52-2,446,670.28-509,278.64

Finding the Fourth Proportional to 1,631,113.52, 2,446,670.28 and 509,278.64

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Solution

The fourth proportional to 1,631,113.52, 2,446,670.28 and 509,278.64 is: 763,917.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,631,113.52 : 2,446,670.28 = 509,278.64 : x
  2. Step 2: Convert to fraction form
    1,631,113.52/2,446,670.28 = 509,278.64/x
  3. Step 3: Cross multiply
    1,631,113.52x = 2,446,670.28 × 509,278.64
  4. Step 4: Simplify right side
    1,631,113.52x = 1,246,036,912,726.82
  5. Step 5: Solve for x
    x = 1,246,036,912,726.82/1,631,113.52
  6. Step 6: Final answer
    x = 763,917.96

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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.