Home / 1,459,396.59-2,189,211.66-512,979.63

Finding the Fourth Proportional to 1,459,396.59, 2,189,211.66 and 512,979.63

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Solution

The fourth proportional to 1,459,396.59, 2,189,211.66 and 512,979.63 is: 769,510.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,459,396.59 : 2,189,211.66 = 512,979.63 : x
  2. Step 2: Convert to fraction form
    1,459,396.59/2,189,211.66 = 512,979.63/x
  3. Step 3: Cross multiply
    1,459,396.59x = 2,189,211.66 × 512,979.63
  4. Step 4: Simplify right side
    1,459,396.59x = 1,123,020,987,338.49
  5. Step 5: Solve for x
    x = 1,123,020,987,338.49/1,459,396.59
  6. Step 6: Final answer
    x = 769,510.49

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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.