Home / 1,123,571.93-1,686,617.30-450,122.70

Finding the Fourth Proportional to 1,123,571.93, 1,686,617.30 and 450,122.70

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Solution

The fourth proportional to 1,123,571.93, 1,686,617.30 and 450,122.70 is: 675,688.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,123,571.93 : 1,686,617.30 = 450,122.70 : x
  2. Step 2: Convert to fraction form
    1,123,571.93/1,686,617.30 = 450,122.70/x
  3. Step 3: Cross multiply
    1,123,571.93x = 1,686,617.30 × 450,122.70
  4. Step 4: Simplify right side
    1,123,571.93x = 759,184,737,784.54
  5. Step 5: Solve for x
    x = 759,184,737,784.54/1,123,571.93
  6. Step 6: Final answer
    x = 675,688.59

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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.