Home / 945,902.70-1,416,780.45-821,486.70

Finding the Fourth Proportional to 945,902.70, 1,416,780.45 and 821,486.70

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Solution

The fourth proportional to 945,902.70, 1,416,780.45 and 821,486.70 is: 1,230,429.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    945,902.70 : 1,416,780.45 = 821,486.70 : x
  2. Step 2: Convert to fraction form
    945,902.70/1,416,780.45 = 821,486.70/x
  3. Step 3: Cross multiply
    945,902.70x = 1,416,780.45 × 821,486.70
  4. Step 4: Simplify right side
    945,902.70x = 1,163,866,296,495.01
  5. Step 5: Solve for x
    x = 1,163,866,296,495.01/945,902.70
  6. Step 6: Final answer
    x = 1,230,429.19

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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.