Home / 1,312,466.62-1,970,835.84-810,220.27

Finding the Fourth Proportional to 1,312,466.62, 1,970,835.84 and 810,220.27

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Solution

The fourth proportional to 1,312,466.62, 1,970,835.84 and 810,220.27 is: 1,216,648.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,312,466.62 : 1,970,835.84 = 810,220.27 : x
  2. Step 2: Convert to fraction form
    1,312,466.62/1,970,835.84 = 810,220.27/x
  3. Step 3: Cross multiply
    1,312,466.62x = 1,970,835.84 × 810,220.27
  4. Step 4: Simplify right side
    1,312,466.62x = 1,596,811,153,277.67
  5. Step 5: Solve for x
    x = 1,596,811,153,277.67/1,312,466.62
  6. Step 6: Final answer
    x = 1,216,648.96

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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.