Home / 1,786,721.65-2,680,184.63-507,229.05

Finding the Fourth Proportional to 1,786,721.65, 2,680,184.63 and 507,229.05

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Solution

The fourth proportional to 1,786,721.65, 2,680,184.63 and 507,229.05 is: 760,872.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,786,721.65 : 2,680,184.63 = 507,229.05 : x
  2. Step 2: Convert to fraction form
    1,786,721.65/2,680,184.63 = 507,229.05/x
  3. Step 3: Cross multiply
    1,786,721.65x = 2,680,184.63 × 507,229.05
  4. Step 4: Simplify right side
    1,786,721.65x = 1,359,467,503,699.50
  5. Step 5: Solve for x
    x = 1,359,467,503,699.50/1,786,721.65
  6. Step 6: Final answer
    x = 760,872.58

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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.