Home / 1,579,129.32-2,368,446.54-514,164.20

Finding the Fourth Proportional to 1,579,129.32, 2,368,446.54 and 514,164.20

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Solution

The fourth proportional to 1,579,129.32, 2,368,446.54 and 514,164.20 is: 771,165.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,579,129.32 : 2,368,446.54 = 514,164.20 : x
  2. Step 2: Convert to fraction form
    1,579,129.32/2,368,446.54 = 514,164.20/x
  3. Step 3: Cross multiply
    1,579,129.32x = 2,368,446.54 × 514,164.20
  4. Step 4: Simplify right side
    1,579,129.32x = 1,217,770,420,481.87
  5. Step 5: Solve for x
    x = 1,217,770,420,481.87/1,579,129.32
  6. Step 6: Final answer
    x = 771,165.73

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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.