Home / 1,440,834.12-2,161,624.48-766,360.26

Finding the Fourth Proportional to 1,440,834.12, 2,161,624.48 and 766,360.26

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Solution

The fourth proportional to 1,440,834.12, 2,161,624.48 and 766,360.26 is: 1,149,738.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,440,834.12 : 2,161,624.48 = 766,360.26 : x
  2. Step 2: Convert to fraction form
    1,440,834.12/2,161,624.48 = 766,360.26/x
  3. Step 3: Cross multiply
    1,440,834.12x = 2,161,624.48 × 766,360.26
  4. Step 4: Simplify right side
    1,440,834.12x = 1,656,583,096,599.26
  5. Step 5: Solve for x
    x = 1,656,583,096,599.26/1,440,834.12
  6. Step 6: Final answer
    x = 1,149,738.94

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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.