Home / 1,496,790.74-2,245,154.31-485,911.26

Finding the Fourth Proportional to 1,496,790.74, 2,245,154.31 and 485,911.26

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Solution

The fourth proportional to 1,496,790.74, 2,245,154.31 and 485,911.26 is: 728,856.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,496,790.74 : 2,245,154.31 = 485,911.26 : x
  2. Step 2: Convert to fraction form
    1,496,790.74/2,245,154.31 = 485,911.26/x
  3. Step 3: Cross multiply
    1,496,790.74x = 2,245,154.31 × 485,911.26
  4. Step 4: Simplify right side
    1,496,790.74x = 1,090,945,759,666.53
  5. Step 5: Solve for x
    x = 1,090,945,759,666.53/1,496,790.74
  6. Step 6: Final answer
    x = 728,856.57

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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.