Home / 1,403,067.30-2,105,220.60-683,009.70

Finding the Fourth Proportional to 1,403,067.30, 2,105,220.60 and 683,009.70

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Solution

The fourth proportional to 1,403,067.30, 2,105,220.60 and 683,009.70 is: 1,024,816.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,403,067.30 : 2,105,220.60 = 683,009.70 : x
  2. Step 2: Convert to fraction form
    1,403,067.30/2,105,220.60 = 683,009.70/x
  3. Step 3: Cross multiply
    1,403,067.30x = 2,105,220.60 × 683,009.70
  4. Step 4: Simplify right side
    1,403,067.30x = 1,437,886,090,439.82
  5. Step 5: Solve for x
    x = 1,437,886,090,439.82/1,403,067.30
  6. Step 6: Final answer
    x = 1,024,816.19

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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.