Home / 1,459,359.70-2,189,039.55-512,826.10

Finding the Fourth Proportional to 1,459,359.70, 2,189,039.55 and 512,826.10

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Solution

The fourth proportional to 1,459,359.70, 2,189,039.55 and 512,826.10 is: 769,239.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,459,359.70 : 2,189,039.55 = 512,826.10 : x
  2. Step 2: Convert to fraction form
    1,459,359.70/2,189,039.55 = 512,826.10/x
  3. Step 3: Cross multiply
    1,459,359.70x = 2,189,039.55 × 512,826.10
  4. Step 4: Simplify right side
    1,459,359.70x = 1,122,596,615,172.25
  5. Step 5: Solve for x
    x = 1,122,596,615,172.25/1,459,359.70
  6. Step 6: Final answer
    x = 769,239.15

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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.