Home / 1,015,802.70-1,523,704.05-905,577.90

Finding the Fourth Proportional to 1,015,802.70, 1,523,704.05 and 905,577.90

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Solution

The fourth proportional to 1,015,802.70, 1,523,704.05 and 905,577.90 is: 1,358,366.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,015,802.70 : 1,523,704.05 = 905,577.90 : x
  2. Step 2: Convert to fraction form
    1,015,802.70/1,523,704.05 = 905,577.90/x
  3. Step 3: Cross multiply
    1,015,802.70x = 1,523,704.05 × 905,577.90
  4. Step 4: Simplify right side
    1,015,802.70x = 1,379,832,713,820.50
  5. Step 5: Solve for x
    x = 1,379,832,713,820.50/1,015,802.70
  6. Step 6: Final answer
    x = 1,358,366.85

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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.