Home / 1,767,262.85-2,440,260.91-1,440,627.11

Finding the Fourth Proportional to 1,767,262.85, 2,440,260.91 and 1,440,627.11

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Solution

The fourth proportional to 1,767,262.85, 2,440,260.91 and 1,440,627.11 is: 1,989,237.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,767,262.85 : 2,440,260.91 = 1,440,627.11 : x
  2. Step 2: Convert to fraction form
    1,767,262.85/2,440,260.91 = 1,440,627.11/x
  3. Step 3: Cross multiply
    1,767,262.85x = 2,440,260.91 × 1,440,627.11
  4. Step 4: Simplify right side
    1,767,262.85x = 3,515,506,021,169.73
  5. Step 5: Solve for x
    x = 3,515,506,021,169.73/1,767,262.85
  6. Step 6: Final answer
    x = 1,989,237.78

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.