Home / 1,217,285.94-1,825,572-458,580

Finding the Fourth Proportional to 1,217,285.94, 1,825,572 and 458,580

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Solution

The fourth proportional to 1,217,285.94, 1,825,572 and 458,580 is: 687,735.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,217,285.94 : 1,825,572 = 458,580 : x
  2. Step 2: Convert to fraction form
    1,217,285.94/1,825,572 = 458,580/x
  3. Step 3: Cross multiply
    1,217,285.94x = 1,825,572 × 458,580
  4. Step 4: Simplify right side
    1,217,285.94x = 837,170,807,760
  5. Step 5: Solve for x
    x = 837,170,807,760/1,217,285.94
  6. Step 6: Final answer
    x = 687,735.54

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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.