Home / 1,306,492.91-1,959,738.46-408,011.65

Finding the Fourth Proportional to 1,306,492.91, 1,959,738.46 and 408,011.65

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Solution

The fourth proportional to 1,306,492.91, 1,959,738.46 and 408,011.65 is: 612,017.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,306,492.91 : 1,959,738.46 = 408,011.65 : x
  2. Step 2: Convert to fraction form
    1,306,492.91/1,959,738.46 = 408,011.65/x
  3. Step 3: Cross multiply
    1,306,492.91x = 1,959,738.46 × 408,011.65
  4. Step 4: Simplify right side
    1,306,492.91x = 799,596,124,062.70
  5. Step 5: Solve for x
    x = 799,596,124,062.70/1,306,492.91
  6. Step 6: Final answer
    x = 612,017.19

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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.