Home / 1,485,281.76-2,225,926.98-810,351.66

Finding the Fourth Proportional to 1,485,281.76, 2,225,926.98 and 810,351.66

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Solution

The fourth proportional to 1,485,281.76, 2,225,926.98 and 810,351.66 is: 1,214,438.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,485,281.76 : 2,225,926.98 = 810,351.66 : x
  2. Step 2: Convert to fraction form
    1,485,281.76/2,225,926.98 = 810,351.66/x
  3. Step 3: Cross multiply
    1,485,281.76x = 2,225,926.98 × 810,351.66
  4. Step 4: Simplify right side
    1,485,281.76x = 1,803,783,623,281.79
  5. Step 5: Solve for x
    x = 1,803,783,623,281.79/1,485,281.76
  6. Step 6: Final answer
    x = 1,214,438.68

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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.