Home / 1,403,187.30-2,105,400.60-683,129.70

Finding the Fourth Proportional to 1,403,187.30, 2,105,400.60 and 683,129.70

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Solution

The fourth proportional to 1,403,187.30, 2,105,400.60 and 683,129.70 is: 1,024,996.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,403,187.30 : 2,105,400.60 = 683,129.70 : x
  2. Step 2: Convert to fraction form
    1,403,187.30/2,105,400.60 = 683,129.70/x
  3. Step 3: Cross multiply
    1,403,187.30x = 2,105,400.60 × 683,129.70
  4. Step 4: Simplify right side
    1,403,187.30x = 1,438,261,680,257.82
  5. Step 5: Solve for x
    x = 1,438,261,680,257.82/1,403,187.30
  6. Step 6: Final answer
    x = 1,024,996.22

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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.