Home / 1,275,315.30-1,912,521.51-376,516.62

Finding the Fourth Proportional to 1,275,315.30, 1,912,521.51 and 376,516.62

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Solution

The fourth proportional to 1,275,315.30, 1,912,521.51 and 376,516.62 is: 564,641.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,275,315.30 : 1,912,521.51 = 376,516.62 : x
  2. Step 2: Convert to fraction form
    1,275,315.30/1,912,521.51 = 376,516.62/x
  3. Step 3: Cross multiply
    1,275,315.30x = 1,912,521.51 × 376,516.62
  4. Step 4: Simplify right side
    1,275,315.30x = 720,096,134,622.50
  5. Step 5: Solve for x
    x = 720,096,134,622.50/1,275,315.30
  6. Step 6: Final answer
    x = 564,641.65

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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.