Home / 1,307,891.45-1,962,212.38-549,342.80

Finding the Fourth Proportional to 1,307,891.45, 1,962,212.38 and 549,342.80

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Solution

The fourth proportional to 1,307,891.45, 1,962,212.38 and 549,342.80 is: 824,171.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,307,891.45 : 1,962,212.38 = 549,342.80 : x
  2. Step 2: Convert to fraction form
    1,307,891.45/1,962,212.38 = 549,342.80/x
  3. Step 3: Cross multiply
    1,307,891.45x = 1,962,212.38 × 549,342.80
  4. Step 4: Simplify right side
    1,307,891.45x = 1,077,927,239,197.74
  5. Step 5: Solve for x
    x = 1,077,927,239,197.74/1,307,891.45
  6. Step 6: Final answer
    x = 824,171.79

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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.