Home / 1,307,475.82-1,960,090.35-454,436.65

Finding the Fourth Proportional to 1,307,475.82, 1,960,090.35 and 454,436.65

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Solution

The fourth proportional to 1,307,475.82, 1,960,090.35 and 454,436.65 is: 681,264.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,307,475.82 : 1,960,090.35 = 454,436.65 : x
  2. Step 2: Convert to fraction form
    1,307,475.82/1,960,090.35 = 454,436.65/x
  3. Step 3: Cross multiply
    1,307,475.82x = 1,960,090.35 × 454,436.65
  4. Step 4: Simplify right side
    1,307,475.82x = 890,736,892,351.33
  5. Step 5: Solve for x
    x = 890,736,892,351.33/1,307,475.82
  6. Step 6: Final answer
    x = 681,264.52

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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.