Home / 1,826,779.26-2,740,180.22-478,929.76

Finding the Fourth Proportional to 1,826,779.26, 2,740,180.22 and 478,929.76

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Solution

The fourth proportional to 1,826,779.26, 2,740,180.22 and 478,929.76 is: 718,397.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,826,779.26 : 2,740,180.22 = 478,929.76 : x
  2. Step 2: Convert to fraction form
    1,826,779.26/2,740,180.22 = 478,929.76/x
  3. Step 3: Cross multiply
    1,826,779.26x = 2,740,180.22 × 478,929.76
  4. Step 4: Simplify right side
    1,826,779.26x = 1,312,353,855,121.35
  5. Step 5: Solve for x
    x = 1,312,353,855,121.35/1,826,779.26
  6. Step 6: Final answer
    x = 718,397.61

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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.