Home / 1,826,780.26-2,740,181.72-478,930.76

Finding the Fourth Proportional to 1,826,780.26, 2,740,181.72 and 478,930.76

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Solution

The fourth proportional to 1,826,780.26, 2,740,181.72 and 478,930.76 is: 718,399.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,826,780.26 : 2,740,181.72 = 478,930.76 : x
  2. Step 2: Convert to fraction form
    1,826,780.26/2,740,181.72 = 478,930.76/x
  3. Step 3: Cross multiply
    1,826,780.26x = 2,740,181.72 × 478,930.76
  4. Step 4: Simplify right side
    1,826,780.26x = 1,312,357,313,697.71
  5. Step 5: Solve for x
    x = 1,312,357,313,697.71/1,826,780.26
  6. Step 6: Final answer
    x = 718,399.11

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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.