Home / 1,485,272.75-2,225,913.48-810,342.68

Finding the Fourth Proportional to 1,485,272.75, 2,225,913.48 and 810,342.68

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Solution

The fourth proportional to 1,485,272.75, 2,225,913.48 and 810,342.68 is: 1,214,425.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,485,272.75 : 2,225,913.48 = 810,342.68 : x
  2. Step 2: Convert to fraction form
    1,485,272.75/2,225,913.48 = 810,342.68/x
  3. Step 3: Cross multiply
    1,485,272.75x = 2,225,913.48 × 810,342.68
  4. Step 4: Simplify right side
    1,485,272.75x = 1,803,752,683,701.76
  5. Step 5: Solve for x
    x = 1,803,752,683,701.76/1,485,272.75
  6. Step 6: Final answer
    x = 1,214,425.22

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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.