Home / 1,275,675.82-1,913,465.79-316,134.22

Finding the Fourth Proportional to 1,275,675.82, 1,913,465.79 and 316,134.22

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Solution

The fourth proportional to 1,275,675.82, 1,913,465.79 and 316,134.22 is: 474,189.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,275,675.82 : 1,913,465.79 = 316,134.22 : x
  2. Step 2: Convert to fraction form
    1,275,675.82/1,913,465.79 = 316,134.22/x
  3. Step 3: Cross multiply
    1,275,675.82x = 1,913,465.79 × 316,134.22
  4. Step 4: Simplify right side
    1,275,675.82x = 604,912,015,018.33
  5. Step 5: Solve for x
    x = 604,912,015,018.33/1,275,675.82
  6. Step 6: Final answer
    x = 474,189.45

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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.