Home / 1,117,638.04-1,676,440.67-276,189.80

Finding the Fourth Proportional to 1,117,638.04, 1,676,440.67 and 276,189.80

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Solution

The fourth proportional to 1,117,638.04, 1,676,440.67 and 276,189.80 is: 414,280.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,117,638.04 : 1,676,440.67 = 276,189.80 : x
  2. Step 2: Convert to fraction form
    1,117,638.04/1,676,440.67 = 276,189.80/x
  3. Step 3: Cross multiply
    1,117,638.04x = 1,676,440.67 × 276,189.80
  4. Step 4: Simplify right side
    1,117,638.04x = 463,015,813,359.17
  5. Step 5: Solve for x
    x = 463,015,813,359.17/1,117,638.04
  6. Step 6: Final answer
    x = 414,280.65

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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.