Home / 1,820,466.90-2,731,356.45-756,272.70

Finding the Fourth Proportional to 1,820,466.90, 2,731,356.45 and 756,272.70

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Solution

The fourth proportional to 1,820,466.90, 2,731,356.45 and 756,272.70 is: 1,134,681.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,820,466.90 : 2,731,356.45 = 756,272.70 : x
  2. Step 2: Convert to fraction form
    1,820,466.90/2,731,356.45 = 756,272.70/x
  3. Step 3: Cross multiply
    1,820,466.90x = 2,731,356.45 × 756,272.70
  4. Step 4: Simplify right side
    1,820,466.90x = 2,065,650,317,103.92
  5. Step 5: Solve for x
    x = 2,065,650,317,103.92/1,820,466.90
  6. Step 6: Final answer
    x = 1,134,681.61

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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.